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Mathematics, 24.07.2021 07:50 usabmx34

A simple random sample of size n = 49 is obtained from a population with u = 89 and o = 21. (a) Describe the sampling distribution of x.
(b) What is P (x > 94.55) ?
(c) What is P (XS 82.85) ?
(d) What is P (86.3 (a) Choose the correct description of the shape of the sampling distribution of x.
O A. The distribution is skewed right.
B. The distribution is approximately normal.
O C. The distribution is uniform.
D. The distribution is skewed left.
E. The shape of the distribution is unknown.

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A simple random sample of size n = 49 is obtained from a population with u = 89 and o = 21. (a) Des...

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