Fthe formula is used to find the mean of the following sample, what is the value of n?

51, 37, 83, 44, 52, 19, 99, 7, 36, 88, 3

a. 12
b. 10
c. 9
d. 11

I'm being volume of cylinder with 13 in. radius and 30 in height answer choices in pic

Which is the correct excel formula for the 80th percentile of a distribution that is n(475, 33)? =norm. dist(80,475,33,1) =norm. inv(0.80,475,33) =norm. s.inv((80-475)/33)?

How do you use the elimination method for this question? explain, because i really want to understand!