Essay
You would like to estimate the average amount a family spends on food during a year.In the past,the standard deviation of the amount a family has spent on food during a year has been approximately $800.If you want to be 95% sure that you estimated average family food expenditures within $50,how many families do you need to survey?
Correct Answer:
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= 800,B = 50,z - multiple = 1...View Answer
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Correct Answer:
Verified
= 800,B = 50,z - multiple = 1...View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
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