CH 8 Question 18

According to a survey in a country, 32% of adults do not own a credit card. Suppose a simple random sample of 900 adults is obtained.

1. Describe the sampling distribution of p, the sample proportion of adults who do not own a credit card. Choose the phrase that best describes the shape of the sampling distribution of p below.

A.

Not normal because

n0.05N

and np(1p)10

B.

Approximately normal because

n0.05N

and np(1p)<10

C.

Approximately normal because

n0.05N

and np(1p)10

D.

Not normal because

n0.05N

and