Question

A telephone soliciting company obtains an average of five orders per 1000 solicitations. If the company reaches 250 potential customers, find the probability of obtaining at least two orders.

Answer 1

any idea

Answer 2

this is a single entry in a ClassWiz

Binomial CD

- p = 5/1000

- N = 250

- P(X >=2) = 1 - P(X<2) = 1 - P(X=1)