You want to obtain a sample to estimate how much parents spend on their kids birthday parties. Based on previous study,
Posted: Wed May 11, 2022 3:58 pm
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=44.2σ=44.2 dollars. You would like to be
98% confident that your estimate is within 3 dollar(s) of average
spending on the birthday parties. How many parents do you have to
sample?
on their kids birthday parties. Based on previous study, you
believe the population standard deviation is
approximately σ=44.2σ=44.2 dollars. You would like to be
98% confident that your estimate is within 3 dollar(s) of average
spending on the birthday parties. How many parents do you have to
sample?