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A random sample of n = 64 observations is drawn from a population with a mean equal to 18 and a standard deviation equal to

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A random sample of n = 64 observations is drawn from a population with a mean equal to 18 and a standard deviation equal to 8. Complete parts a through 9 below. b. Describe the shape of the sampling distribution of R. Does this answer depend on the sample size? Choose the correct answer below. 0 A. The shape is that of a uniform distribution and does not depend on the sample size. 0 B. The shape is that of a uniform distribution and depends on the sample size. 0 c. The shape is that of a normal distribution and does not depend on the sample size. (9 D. The shape is that of a normal distribution and depends on the sample size. c. Calculate the standard normal z-score corresponding to a value of i = 16.4. 2 = I: (Type an integer or a decimal.) d. Calculate the standard normal zscore corresponding to a value of )2 = 20.3. z = I: (Type an integer or a decimal.) 9. Find P (i 20.3) . P (i > 20.3) = :1 (Round to four decimal places as needed.) 9. Find P(16.4 203)

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