Air america has a policy of booking as many as 15 passengers on an airplane that can seat only 14 passengers. past studies have revealed that only 85% of passengers arrive on time for their flight. what is the probability that if air america books 15 passengers and not enough seats will be available?

There is a 8.74% probability that if Air America books 15 passengers and not enough seats will be available.

Step-by-step explanation:

For each passenger, there are only two possible outcomes. Either they arrive on time for their flight, or they do not. This means that we can solve this problem using the binomial probability distribution.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

In which is the number of different combinatios of x objects from a set of n elements, given by the following formula.

And p is the probability of X happening.

In this problem we have that:

.

What is the probability that if Air America books 15 passengers and not enough seats will be available?

This is P(X = 15). So:

There is a 8.74% probability that if Air America books 15 passengers and not enough seats will be available.

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