You want to obtain a sample to estimate how much parents spend on their kids birthday parties. Based on previous study, you believe the population standard deviation is approximately o = 55.6 dollars. You would like to be 98% confident that your estimate is within 10 dollar(s) of average spending on the birthday parties. How many parents do you have to sample? n =

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 3CYU
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You want to obtain a sample to estimate how much parents spend on their kids birthday parties. Based on
previous study, you believe the population standard deviation is approximately o = 55.6 dollars. You
would like to be 98% confident that your estimate is within 10 dollar(s) of average spending on the birthday
parties. How many parents do you have to sample?
n =
Transcribed Image Text:You want to obtain a sample to estimate how much parents spend on their kids birthday parties. Based on previous study, you believe the population standard deviation is approximately o = 55.6 dollars. You would like to be 98% confident that your estimate is within 10 dollar(s) of average spending on the birthday parties. How many parents do you have to sample? n =
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