Chronic Sinusitis The U.S. Department of Health and Human

Problem 26RE

Chronic Sinusitis The U.S. Department of Health and Human Services reports that 15% of Americans have chronic sinusitis. If 5 people are selected at random, find the probability that at least 1 has chronic sinusitis. (4–3)

Source: 100% American.

                                                            Step by step solution

Step 1 of 2

Let  E =  at least 1 having chronic sinusitis.

And  = No Chronic sinusitis.

We have,

P(E) = 0.15

 = 1 - 0.15 = 0.85