Suppose the weight of all boxes of cereal in a home with children is normally distributed with a mean of 55 ounces and a standard deviation of 9.32 ounces. 8 homes with children are surveyed. Let X the average weight of all boxes of cereal in a home with children, from a sample of 8 homes (in ounces). Question Help: M Message instructor

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Suppose the weight of all boxes of cereal in a home with children is normally distributed with a mean of 55
ounces and a standard deviation of 9.32 ounces. 8 homes with children are surveyed. Let
= the average weight of all boxes of cereal in a home with children, from a sample of 8 homes (in
ounces).
Question Help: O Message instructor
Transcribed Image Text:Suppose the weight of all boxes of cereal in a home with children is normally distributed with a mean of 55 ounces and a standard deviation of 9.32 ounces. 8 homes with children are surveyed. Let = the average weight of all boxes of cereal in a home with children, from a sample of 8 homes (in ounces). Question Help: O Message instructor
Suppose the true proportion of voters in the county who support a restaurant tax is 0.45. Consider the
sampling distribution for the proportion of supporters with sample size n =
141.
What is the mean of this distribution? 63.45
What is the standard error of this distribution?
Question Help: O Message instructor
Transcribed Image Text:Suppose the true proportion of voters in the county who support a restaurant tax is 0.45. Consider the sampling distribution for the proportion of supporters with sample size n = 141. What is the mean of this distribution? 63.45 What is the standard error of this distribution? Question Help: O Message instructor
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