2. A random sample is selected from a population that has a proportion of successes p = 0.35. a) Determine the mean and standard deviation of the sample proportion ˆp when the sample size n = 120. b) Compute P (ˆp < 0.85)

2. A random sample is selected from a population that has a proportion of successes p = 0.35. a) Determine the mean and standard deviation of the sample proportion ˆp when the sample size n = 120. b) Compute P (ˆp < 0.85)

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

2. A random sample is selected from a population that has a proportion of successes p = 0.35.

a) Determine the mean and standard deviation of the sample proportion ˆp when the sample size n = 120.
b) Compute P (ˆp < 0.85)

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