Answered

HELP QUICK PLEASE 45 POINTS
On a recent survey from Starbucks, 3850​ people were asked their age. The mean age was found to be 30​ years with a standard deviation of 30​ months.

Assume that the data is normally distributed and use the 68−95−99.7​ Rule to answer the following questions.

a) Of those surveyed, about how many people are at least 27.5​ years old?


b) Of those surveyed, about how many people are less than 27.5​ years old?



Answer :

Other Questions