Question

A baseball park has determined that the number of people contained in each vehicle parked in one of their lots has following distribution.Number of People1234more than 4Probability0.200.350.250.10?What is the probability that more than 4 people arrive in a vehicle?

Answer 1

0.1 = 10% probability that more than 4 people arrive in a vehicle

Explanation:

We have these following probabilities:

0.2 probability that 1 people arrive in a vehicle.

0.35 probability that 2 people arrive in a vehicle

0.25 probability that 3 people arrive in a vehicle

0.1 probability that 4 people arrive in a vehicle

x probability that more than 4 people arrive in a vehicle.

What is the probability that more than 4 people arrive in a vehicle?

The sum of all probabilities is 1 = 100%. So

0.2 + 0.35 + 0.25 + 0.1 + x = 1

x = 0.1

0.1 = 10% probability that more than 4 people arrive in a vehicle