Author Question: A cashier at Carter's cafeteria can total an average of 2.2 trays per minute. The probability that ... (Read 49 times)

asd123 · **on:** Jun 24, 2018

A cashier at Carter's cafeteria can total an average of 2.2 trays per minute. The probability that the cashier will total no more than three trays in a minute is:
a. 0.1966.
b. 0.6227.
c. 0.9275.
d. 0.8193.

Question 2

A cashier at Carter's cafeteria can total an average of 2.2 trays per minute. The probability that the cashier will total between four and ten trays in a minute is:
a. 0.9281.
b. 0.8193.
c. 0.1807.
d. 0.3772.
e. 0.0724.