(a) Consider a forced oscillator with response y(t) satisfying State with reasoning (but before solving), whether or not you expect this system to exhibit pure resonance. (b) Find the general solution of (1). (c) Find the solution of (1) if the system is initially at rest undisplaced , i.e. y(0)...

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Trigonometry 1 Week Ago 56 Views Bookmark

a circuit has in series an electromotive force given by E(t) = 80cos(t) volts, an inductance of 4 henry, a resistance of 8 ohms, and a capacitance of 0.05 farad. the initial current is 0 and the initial charge is 8 coulombs. (a) find the equation for...

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Trigonometry 1 Week Ago 85 Views Bookmark

A coin is weighted so that the probability of getting a head when the coin is flipped is 2/3. If the coin is flipped 600 times, find the probability of a) obtaining at most 400 heads b) obtaining at least 180 tails ...

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Statistics 1 Week Ago 16 Views Bookmark

A coin is tossed twice, let A be the event in which the 1st toss gets heads and let B be the event that the 2ndtoss results in heads. Let C be the event that in both tosses the coin lands on the same side. i) Are...

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Statistics 1 Week Ago 6 Views Bookmark

A coin is tossed three times. Which of the following is not a simple event? The event that a head, a tail, and a tail are obtained in the first, the second, and the third toss, respectively. The outcome consists of three heads. ...

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Statistics 1 Week Ago 12 Views Bookmark

A coin is tossed three times. Consider the following events A: Heads on the first toss. B: Tails on the second. C: Heads on the third toss. D: All three outcomes the same (HHH or TTT). ...

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Statistics 1 Week Ago 2 Views Bookmark

A coin is tossed three times. List all of the possible outcomes of the experiment Find the probability of the event. E: Getting at least two heads

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Statistics 1 Week Ago 1 View Bookmark

A coin is tossed three times , or until the first "heads" appears , whichever occurs first. What is the sample space for this random experiment? A. S={H, TH, TTH, TTY} B. S={ H, HH, HHH} C. S={...

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Statistics 1 Week Ago 3 Views Bookmark

A coin is tossed repeatedly until it falls heads for the fourth time. what is the probability that the fourth head occurs on the seventh toss? If nine coins are tossed what is the probability that the number of heads in even? how about 99 coins? 100

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Statistics 1 Week Ago Bookmark

A coin is tossed repeatedly; on each toss a head is shown with probability p, satisfying 0 < p < 1, and a tail with probability 1 - p. All tosses are mutually independent. Let E denote the event that two successive heads occur earlier than two successive tails. With...

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Statistics 1 Week Ago 1 View Bookmark

A coin is tossed repeatedly and heads turn up on each toss with probability p . Let Hn and Tn be the numbers of heads and tails in n tosses. Show that, for each epsilon > 0. E STANDS FOR EPSILON!!...

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Statistics 1 Week Ago Bookmark

A coin is tossed and a die is rolled. Whats the probablity of getting a 5, and tossing heads ?

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Statistics 1 Week Ago 1 View Bookmark

A child has a box of crayons containing 16 crayons. 4 of these crayons are damaged. Suppose the child randomly selects 2 of the 16 caryons to use.(without replacement). Let X equal the number of damaged crayons selected. Calculate the probability that x= 0. Calculate the probability that x= 1....

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Statistics 1 Week Ago 1 View Bookmark

A coin is tossed 52 times and 33 heads are observed. Would we infer that this is a fair coin? Use a 95% level confidence interval to base your inference. The sample statistic for the proportion of heads is: ______ (3 decimals) The standard...

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Statistics 1 Week Ago Bookmark

A coin is tossed 5 times. The probability of tails on any toss is 0.43. Let x denote the number of tails that comes up. Find the probability that tail shows up exactly twice. Find the probability that tail shows up at most once. Find the probability that tail shows...

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Statistics 1 Week Ago 1 View Bookmark

A coin is tossed 5 times. Find the probability that exactly 1 are tails. Find the probability that at least 2 are heads.

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Statistics 1 Week Ago Bookmark

A coin is tossed 4 times. What is the probability that the number of tails obtained will be 2?

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Statistics 1 Week Ago 1 View Bookmark

A coin is tossed 4 times. What are the odds against the coin showing tails all 4 times?

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Statistics 1 Week Ago 1 View Bookmark

A coin is tossed 13 times. a) How many different outcomes are possible? b) How many different outcomes have exactly 5 heads? c) How many different outcomes have at least 2 heads? d) How many different outcomes have at most 9 heads? You have attempted this problem 0 times. You

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Statistics 1 Week Ago 1 View Bookmark

A coin is tossed 11 times. a) How many different outcomes are possible? b) How many different outcomes have exactly 9 heads? c) How many different outcomes have at least 2 heads ? d) How many different outcomes

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Statistics 1 Week Ago 1 View Bookmark

A coin is tossed 1,000 times. You have two options: 1. To win $1 if the number of heads is between 490 and 510. 2. To win $1 if the number of heads is between 48% and 52%. Which option is better? They are equivalent Option 1 Option 2

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Statistics 1 Week Ago 1 View Bookmark

a coin is tossed 10 times given that heads occurred for the first time on the second toss, what is the probability that heads occurred for the fifth time on the last toss?

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Statistics 1 Week Ago 1 View Bookmark

A coin is flipped until heads occurs for the first time. a) What is the probability that heads occurs on the first flip of the coin? b) What is the probability that heads occurs on the first time on the second flip of the...

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Statistics 1 Week Ago Bookmark

A chewing gum manufacturer wishes to determine if her customers prefer one flavor gum to any other flavor. She selects a random sample of customers and records the flavor of gum that is purchased. Determine the test value for the data given. (Type and number of each sold: Spearmint 25;...

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Statistics 1 Week Ago 1 View Bookmark

A coin is flipped until 3 heads in succession occur. List only those elements of the sample space that, require 6 or less tosses. Is this a discrete sample space? Explain.

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Statistics 1 Week Ago Bookmark

A coin is flipped 6 times. In how many ways can we get a sequence consisting of 4 heads and 2 tails? please show work

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Statistics 1 Week Ago 1 View Bookmark

A coin is flipped 50 times and lands on heads 18 times. You want to test the hypothesis that the coin does not come up 50% heads in the long run. What is the correct null hypothesis for this test? Choose the correct answer below. H_0: p = 0.36 H_0:...

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Statistics 1 Week Ago 1 View Bookmark

A coin is flipped 10 times where each flip comes up either heads or tails. How many possible outcomes: Are there in total? Contain exactly two heads? Contain at most three tails? Contain the same number of heads and tails? Contain more heads than tails? What is the coefficients of...

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Statistics 1 Week Ago Bookmark

a coin is biased so the occurrence of head is 3 times as likely as of tails. for two independent tosses of the coin, find the probability of getting at least 1 tail. please show work on paper.

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Statistics 1 Week Ago Bookmark

A coil is wound with 3000 turns of No. 18 copper wire. If the average amount of wire in a turn is 4 in., How much is the total resistance of the wire?__ohms What will be the resistance if No. 26 copper wire is used instead?___ohms If 200 ft of...

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Statistics 1 Week Ago Bookmark

A cohort life table can be developed by a. estimating the net reproductive rate of the population. b. observing the age structure of the population. c. calculating the intrinsic rate of growth for a population. d. following a...

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Statistics 1 Week Ago Bookmark

A cohesionless soil sample was subjected to a triaxial test. The sample failed when the minor principal stress (confining pressure) was 1200 lb/ft^2 and the deviator stress was 3000 lb/ft^2. Find the angle of internal friction for this soil

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Statistics 1 Week Ago Bookmark

A cognitive retraining clinic assists outpatient victims of head injury, anoxia, or other conditions that result in cognitive impairment. Each incoming patient is evaluated to establish an appropriate treatment program and estimated length of stay. To see if the evaluation teams are consistent, 12 randomly chosen patients are separately evaluated...

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Statistics 1 Week Ago Bookmark

A coffee-dispensing machine is supposed to deliver 8 ounces of liquid into each paper cup, but a consumer believes that the actual mean amount is less. The consumer obtained a sample of 49 cups of the dispensed liquid with average of 7.75 ounces. If the sample variance of the dispensed...

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Statistics 1 Week Ago Bookmark

A chessboard comprises 64 squares in an 8x8 grid. John wants to place pennies on the board, with at most one per square, without ever having three adjacent pennies in any row or column. What is the maximum number of pennies that John can...

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Statistics 1 Week Ago Bookmark

A coffee vending machine fills cups with coffee. The amount of fill follows the normal curve with an average of 6.6 ounces and standard deviation of 0.2 ounces. What percentage of the time will a 7-ounce cup overflow? Find the 80th percentile of the amount of fill.

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Statistics 1 Week Ago Bookmark

A coffee shop owner knows from past records that 18% of all customers who enter her store will buy a danish. if 12 people enter the store what is the probability that no one buys a danish? How many people must enter the store before she is...

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Statistics 1 Week Ago Bookmark

A coffee manufacturer is interested in whether the mean daily consumption of regurla-coffee drinkers is less than that of decaffeinated-coffee drinkers. Assume the population standard deviation for those drinking regular coffee is 1.20 cups per day and 1.36 cups pre day for a mean of 4.35 cups per day. A...

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Statistics 1 Week Ago Bookmark

A coffee company wants to make sure that there coffee is being served at the right temperature. If it is too hot, the customers could burn themselves. If it is too cold, the customers will be unsatisfied. The company has determined that they want the average coffee temperature to be...

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Statistics 1 Week Ago Bookmark

A Coefficient Of Correlation Of -.0.96 Indicates A Very Weak Negative Correlation, True Or False

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Statistics 1 Week Ago Bookmark

A code symbol is transmitted through a communication system. The transmission process is not perfect: the probability that an error occurs during transmission of the symbol is 0.15. However, if an error occurs, there is probability 0.8 that the error is fixed upon reception. ...

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Statistics 1 Week Ago Bookmark

A code is formed using a string of eight characters, all capital letters or digits, with no character repeated.. If such a code was chosen at random, what is the probability that it uses seven or eight letters?

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Statistics 1 Week Ago Bookmark

a coal company wants to determine a 98% confidence interval estimate for the average daily tonnage of coal that they mine. Assuming that the company reports that the standard deviation of daily outpot is 250 tons. How many days should they sample so that the margin of error will be...

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Statistics 1 Week Ago Bookmark

A coach sees your statistical analysis and starts to instruct his players to foul more in order to score more points. What statistical expertise would you share with him about his strategy?

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Statistics 1 Week Ago Bookmark

A CNC programmer forgot to call the tool length offset in the program. What will happen if the program is to be executed on the machine in the following two cases? a) An operator entered the following data in the controller: 1) distance from the spindle nose...

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Statistics 1 Week Ago Bookmark

a chemist examines 17 seawater samples for iron concentration for the sample data is 0.704 cc/cubic meter with a standard deviation of 0.0142. determine the 99% confidence interval for the population mean from concentration. Assume the population is approx. normal. Step 1. Find the critical value that...

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Statistics 1 Week Ago Bookmark

A club with 17 women and 21 men needs to form a committee of size 8: 1. How many committees are possible? 2. How many committees are possible if a committee must have 3 women and 5 men? 3. How many committees are possible if a committee must consist of...

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Statistics 1 Week Ago Bookmark

A club with 17 women and 21 men needs to form a committee of size 7. How many committees are possible if a committee must have at least 3 women? And how many committees of seven different executive positions are possible? (for example, president, vice president, treasurer, etc) Please explain

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Statistics 1 Week Ago Bookmark

A club wants to sponsor a panel discussion on the upcoming national election. The club wants four of its member to lead the panel discussion. Write a short description of the processes that can be used to generate your sample. Obtain a simple random sample of size 4 from the...

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Statistics 1 Week Ago Bookmark

A club consits of six men and four women. Three people from the club are to be selected for a conference. Find the probability that a group consits of one man and two women.

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Statistics 1 Week Ago Bookmark