How many parents do you have to sample?

Question

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-= 64.7 dollars. You would like to be 98% confident that your estimate is within 2 dollar(s) of average spending on the birthday parties. How many parents do you have to sample?

n=

Answer 1

The solution has been worked out in the problem. Check it out and let me know if you have any additional questions. Take care!

Dr. Christal-Joy Turner