In a congressional district, 55% of the registered voters are Democrats. Which of the following is equivalent to the probability of getting less than 50% Democrats in a random sample of size 100?

a.

b.

c.

d.

e.

The magazine Sports Illustrated asked a random sample of 750 Division I college athletes, “Do you believe performance-enhancing drugs are a problem in college sports?” Suppose that 30% of all Division I athletes think that these drugs are a problem. Let p̂ be the sample proportion who say that these drugs are a problem.

Select the best answer.

Transcribed Image Text:

P(:< 0.50-0.55 100