**Problem Statement:**Random samples of size 400 are taken from an infinite population whose population proportion is 0.8. Find the mean and standard deviation of the sample proportion.**Options:**- ○ 0.8 and 0.02- ○ 0.8 and 0.4- ○ 320 and 0.4- ○ 320 and 0.02**Explanation:** The problem involves understanding how to find the mean and standard deviation of a sample proportion given certain conditions. Specifically, we need to know the population proportion and the sample size to calculate these statistical measures.

Solution: From the given information, n=400 and p=0.8.

Random samples of size 400 are taken from an infinite population whose population proportion is 0.8. Find the mean and standard deviation of the sample proportion. O 0.8 and 0.02 O 0.8 and 0.4 O 320 and 0.4 O 320 and 0.02

Random samples of size 400 are taken from an infinite population whose population proportion is 0.8. Find the mean and standard deviation of the sample proportion. O 0.8 and 0.02 O 0.8 and 0.4 O 320 and 0.4 O 320 and 0.02

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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**Problem Statement:**

Random samples of size 400 are taken from an infinite population whose population proportion is 0.8. Find the mean and standard deviation of the sample proportion.

**Options:**

- ○ 0.8 and 0.02
- ○ 0.8 and 0.4
- ○ 320 and 0.4
- ○ 320 and 0.02

**Explanation:**

The problem involves understanding how to find the mean and standard deviation of a sample proportion given certain conditions. Specifically, we need to know the population proportion and the sample size to calculate these statistical measures.

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