Mathematics, 17.11.2020 22:00 devarious83

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: 2

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