The amount of time that a drive- through bank teller spends on a customer is a random variable with a mean = 3.2 and a standard deviation = 1.6 . if a random sample of 64 customers is observed, assuming the distribution of the amount of time spent as approximately normal, find the probability that their mean time at the teller’s window is at most 2.7 minutes.

the difference between a number and 5 is -2.

step-by-step explanation:

notice that the equation you are given has -2 (negative 2) on the right side, not 2. when you subtract 5 from a number n, you are finding the difference between the number and 5.

the difference between a number and 5 is -2.

answer: the first graph

step-by-step explanation:

8

step-by-step explanation:

just put √(2) * √(32) into a calculator. that will make the answer be 8.

answer by yourhope:

hi! : )

a farmer that lived in ancient egypt would most likely be barried in the sand, in the desert!

: )