In a congressional district, 55% of the registered voters are Democrats. Which of the following is equivalent
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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.
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