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Study Resources (Statistics)

1 ) If the population is divided into relatively small subdivisions and then some of these subdivisions are selected for inclusion in the overall sample, the method is called               sampling. A) stratified                              B) cluster                                  C) quota                                   D) systematic 2 ) The possible presence of hidden periodicities is.
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1 ) A fair game is defined to be a game in which A) the probabilities of all events are equal.                            B) the sum of all probabilities equals 1. C) E = 1                                                                                         D) E = 0 2 ) For a payoff table containing company profit values, a pessimistic manufacturer.
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1 ) Which of the following distributions is not continuous? A) normal distribution                                                                B) uniform distribution C) exponential distribution                                                       D) binomial distribution 2 ) Which of the following is always true for a normal distribution? A) P(x > 8) = P(x ≥ 9)                                                                   B) P(2< x ≤ 8) = P(2 ≤.
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11 ) When considering area under the standard normal curve, decide whether the area between z = -0.2 and z = 0.2 is bigger than, smaller than, or equal to the area between z = -0.3 and z = 0.3. A) smaller than                                         B) bigger than                                          C) equal to 12.
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A company produces stereo components. The probability of the company producing a defective component is 0.003. 11 ) In the situation above, if 1000 components are produced, find the probability that exactly 5 components are defective. 12 ) In the situation above, if 1000 components are produced, find the probability that at.
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1 ) The formula for the maximum error of estimation is A) E = zα/2 ·   σ  .                  B) E = zα ·  σ .                      C) E = zα/2 ·  σ .                   D) E = zα/2 · σ . 2n                                            n                                                    n                                              n 2.
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1 ) When applying the               criterion, we look for the largest value of each column of the payoff table and select the largest of these column values. 2 ) In order to make a decision using the minimax criterion, we select the action that gives the               of.
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1 ) The binomial distribution Table V can be used to solve problems involving the binomial distribution if n has the values                      and p has the values                      . 2 ) The sum of all the values of a probability distribution must be equal to               . 3.
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1 ) One application of the binomial distribution formula or one number in Table V (in your textbook) is always the answer to what kind of question? A) exactly                                  B) at most                                C) at least                                 D) between 2 ) To calculate the probability of obtaining three aces in eight.
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A speculator evaluating a particular investment concludes that, if the company?s balance sheet claims are true, the speculator?s profit will be $15,000, and if the company?s balance sheet claims are false, he will lose $5,000. If he makes no investment he has no profit or loss. 11 ) Construct a.
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