According to a study conducted by anorganization, the proportion of Americans who were afraid to fly in 2006 was 0.10. A random sample of 1,200 Americans results in 108 indicating that they are afraid to fly. Explain why this is not necessarily evidence that the proportion of Americans who are afraid to fly has decreased.

Select the correct choice belowand, ifnecessary, fill in the answer box to complete your choice.

A.

This is not necessarily evidence that the proportion of Americans who are afraid to fly has decreased below 0.10 because the sampleproportion,

0.09

0.09, is very close to 0.10.

(Type an integer or adecimal.)

B.

This is not necessarily evidence that the proportion of Americans who are afraid to fly has decreased below 0.10 because the probability of obtaining a value equal to or more extreme than the sample proportion is

nothing

, which is not unusual.

(Round to four decimal places asneeded.)

C.

This is not necessarily evidence that the proportion of Americans who are afraid to fly has decreased below 0.10 because the value of np(1p) is less than 10.

D.

This is not necessarily evidence that the proportion of Americans who are afraid to fly has decreased below 0.10 because the sample size n is more than5% of the population.