×
Get Full Access to Elementary Statistics - 12 Edition - Chapter 5.5 - Problem 8cqq
Get Full Access to Elementary Statistics - 12 Edition - Chapter 5.5 - Problem 8cqq

×

# Answer: In Exercises, use the following: Five U.S. ISBN: 9780321836960 18

## Solution for problem 8CQQ Chapter 5.5

Elementary Statistics | 12th Edition

• Textbook Solutions
• 2901 Step-by-step solutions solved by professors and subject experts
• Get 24/7 help from StudySoup virtual teaching assistants Elementary Statistics | 12th Edition

4 5 1 244 Reviews
18
4
Problem 8CQQ

Problem 8CQQ

In Exercises, use the following: Five U.S. domestic flights are randomly selected, and the table in the margin lists the probabilities for the number that arrive on time (based on data from the Department of Transportation). Assume that five flights are randomly selected.

What is the probability that at least three of the five flights arrive on time?

 x P(x) 0 0+ 1 0.006 2 0.048 3 0.198 4 0.409 5 0.338

Step-by-Step Solution:

Step 1 of 1

Five U.S. domestic flights are randomly selected, and the table in the margin lists the probabilities for the number that arrive on time. By assuming that five flights are randomly selected.

 x P(x) 0 0+ 1 0.006 2 0.048 3 0.198 4 0.409 5 0.338

The probability that at least three of the five flights arrive on time is

P(X 3) = P(X = 3) + P(X = 4) + P(X = 5)

= 0.198 + 0.409 + 0.338

= 0.945.

Step 2 of 1

##### ISBN: 9780321836960

Unlock Textbook Solution