A normally distributed data set has a mean of 50 and a standard deviation of 10. Which is closest to the percent of values between 40 and 75? А 69% B 82%C 84% D 49% ​

a = 11 : 4

b = 38

c = 1 for every 6

where are the images of the functions i can only see the question you typed.

step-by-step explanation:

all of the measures need to be converted to the same measure; such as inches. if you do that it is easy to determine which is the longest, 2500 mm which is approximately 97.5 inches.

x=25tan30=14.43 or the answer is b