A set of data is normally distributed with a mean of 86 and a standard deviation of 1.5. What percent of the data is in the interval 86–87.5?
a 68.3%
34.15%
b. 47.75%
d 49.85%
C.
Please select the best answer from the choices provided
Ο Α
ОВ

OD

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 7,000 and she drives 21,000 miles more each year. marc's car has a current mileage of 20,000 and he drives 11,000 miles more each year. will the mileages for the two cars ever be equal? explain.