Park Todd
12/19/2023 · High School
16 Suppose a simple random sample of size \( n=36 \) is obtained from a population that is skewed right with \( \mu=74 \) and \( \sigma=6 \). (a) Describe the sampling distribution of \( x \) (b) What is \( P(x>75.95) \) ? (c) What is \( P(x \leq 71.75) \) ? (d) What is \( P(734<x<76.05) \) ? A. The distribution is uniform. (a) Choose the correct description of the shape of the sampling distribution of \( \bar{x} \). C. The distribution is skewed right. D. The distribution is approximately normal. E. The shape of the distribution is uniknown.
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(a) D. The distribution is approximately normal.
(b) \( P(\bar{x} > 75.95) \approx 0.0256 \)
(c) \( P(\bar{x} \leq 71.75) \approx 0.0119 \)
(d) \( P(73.4 < \bar{x} < 76.05) \approx 0.7055 \)
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