Assume That The Standard Deviation Of The Heights Of Five-Year-Old Boys Is 3.5 Inches. How Many Five- Year-Old Boys Need To Be…

Assume that the standard deviation of the heights of five-year-old boys is 3.5 inches. How many five- year-old boys need to be sampled if we want to be 90% sure that the population mean height is estimated within .5 in?

Expert's Answer

for 90% sure,malpha = 100-90 )/1…


Hire Expert 

Get a Professional Help

Select FileChangeRemove


Limited Time Offer! - 20% OFF on all Services Get Expert Assistance Today!