Mathematics, 04.01.2021 19:20, elizabethseoane6321

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 σ

=

62.5

dollars. You would like to be 95% confident that your estimate is within 3 dollar(s) of average spending on the birthday parties. How many parents do you have to sample?

Answers: 3

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You want to obtain a sample to estimate how much parents spend on their kids birthday parties. Based...