According to the National Institute of Health, about 37% of high school seniors have vaped in the past year. Suppose that a survey contacts an SRS of 400 high school seniors and calculates the sample proportion, p hat, in this sample who have vaped in the past year. ** When I say p hat, I mean this symbol 1. What is the mean of the sampling distribution of p hat? 2.Find the standard deviation of the sampling distribution of p hat. Round to the nearest thousandth. 3.What is the probability, in an SRS of 400 high school seniors, that between 35% and 40% of them have vaped in the past year?
According to the National Institute of Health, about 37% of high school seniors have vaped in the past year. Suppose that a survey contacts an SRS of 400 high school seniors and calculates the sample proportion, p hat, in this sample who have vaped in the past year. ** When I say p hat, I mean this symbol 1. What is the mean of the sampling distribution of p hat? 2.Find the standard deviation of the sampling distribution of p hat. Round to the nearest thousandth. 3.What is the probability, in an SRS of 400 high school seniors, that between 35% and 40% of them have vaped in the past year?
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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According to the National Institute of Health, about 37% of high school seniors have vaped in the past year. Suppose that a survey contacts an SRS of 400 high school seniors and calculates the sample proportion, p hat, in this sample who have vaped in the past year.
** When I say p hat, I
1. What is the mean of the sampling distribution of p hat?
2.Find the standard deviation of the sampling distribution of p hat. Round to the nearest thousandth.
3.What is the
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