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Statistics Answers, Flashcards, Essays and Textbook Solutions : Page 418

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    84) For a standardized normal distribution, calculate P(z ≥ 0.85). A) 0.8033 B) 0.1977 C) 0.2340 D) 0.7660   85) For a standardized normal distribution, calculate P(-1.28 < z < 1.75). A) 0.3997 B) 0.4599 C) 0.1404 D) 0.8596   86) For a standardized normal distribution, calculate P(0.00 < z < 2.33). A) 0.7181 B) 0.5099 C) 0.4901 D) 0.2819   87) For a standardized normal distribution, calculate.

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  44) Which of the following probability distributions can be used to describe the distribution for a continuous random variable? A) Normal distribution B) Binomial distribution C) Poisson distribution D) Hypergeometric   45) Which of the following is not a characteristic of the normal distribution? A) Symmetric B) Mean = median = mode C) Bell-shaped D) Equal probabilities at all values.

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    11) The Cromwell Construction Company has the opportunity to enter into a contract to build a mountain road. The following table shows the probability distribution for the profit that could occur if it takes the contract:   Profit Probability $30,000 0.15 $50,000 0.20 $70,000 0.30 $100,000 0.35   Based on this information, the expected profit for the company if it takes the contract.

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  62) The following probability distribution has been assessed for the number of accidents that occur in a Midwestern city each day:   Accidents Probability 0 0.25 1 0.20 2 0.30 3 0.15 4 0.10   The probability of having less than 2 accidents on a given day is: A) 0.30 B) 0.75 C) 0.45 D) 0.25   63) The following probability distribution has been assessed for the number of accidents that.

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