Suppose, out of the next 20 customers, the count that will pay with a credit card ( X ) has a Binomial distribution with parameters n = 20 and p = 0.70. Use the Binomial Excel Spreadsheet to answer:...

Suppose, out of the next 20 customers, the count that will pay with a credit card (X) has a Binomial distribution with parameters
n
= 20 and
p
= 0.70.

Use the Binomial Excel Spreadsheet to answer:

What is the probability that fewer than 15 customers pay by credit card. P(X < 15)="">