sample of size of n is selected from a population with the population proportion p ives x successes. Which of the following is incorrect?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Q3
A sample of size of n is selected from a population with the population proportion p
gives x successes. Which of the following is incorrect?
O The sample mean and the sample proportion have the same standard deviation.
O The sample proportion P = is a random variable with a normal distribution.
11
O We use the sample proportion p to estimate the population proportion p.
O The mean of the sample proportion is the population proportion
O The standard deviation of the sample proportion is
p(1-p)
11
Transcribed Image Text:A sample of size of n is selected from a population with the population proportion p gives x successes. Which of the following is incorrect? O The sample mean and the sample proportion have the same standard deviation. O The sample proportion P = is a random variable with a normal distribution. 11 O We use the sample proportion p to estimate the population proportion p. O The mean of the sample proportion is the population proportion O The standard deviation of the sample proportion is p(1-p) 11
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