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 = 61.5 dollars. You would like to be 90% confident that your estimate is within 1.5 dollar(s) of average spending on the birthday parties. How many parents do you have to sample?
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 = 61.5 dollars. You would like to be 90% confident that your estimate is within 1.5 dollar(s) of average spending on the birthday parties. How many parents do you have to sample?
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 = 61.5 dollars. You would
like to be 90% confident that your estimate is within 1.5 dollar(s) of average spending on the birthday parties.
How many parents do you have to sample?
n =](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F81e42ec1-94ee-4755-9bc3-c86a12e3bbe9%2Fdbdb0f34-924e-4652-bcb8-1b8470646eb1%2F60424jg_processed.jpeg&w=3840&q=75)
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 = 61.5 dollars. You would
like to be 90% confident that your estimate is within 1.5 dollar(s) of average spending on the birthday parties.
How many parents do you have to sample?
n =
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