In a Certain Town,5% of College Students Suffer from Manic-Depressive

question 31

Multiple Choice

In a certain town,5% of college students suffer from manic-depressive illness.If 300 of the students are selected at random and screened,what is the probability that no more than 20 of them suffer from manic-depressive illness?

• A)0.907
• B)0.363
• C)0.113
• D)0.093
• E)0.637