Suppose that the probability that a person books an airline ticket using an online travel website is 0.72. What is the probability that exactly seven out of ten people used an online travel website...

Suppose that the probability that a person books an airline ticket using an online travel website is 0.72.

1. What is the probability that exactly
   seven out of ten
   people used an online travel website when they booked their airline tickets?


2. What is the probability that
   no more than three out of ten
   people used an online website when they book their airline tickets?