Mathematics, 20.12.2019 21:31 linnybear300
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 p^ be the sample proportion who say that these drugs are a problem.
which of the following are the mean and standard deviation of the sampling distribution of the sample proportion p^?
a) mean = 0.30, sd = 0.017
b) mean = 0.30, sd = 0.55
c) mean = 0.30, sd = 0.0003
d) mean = 225, sd = 12.5
e) mean = 225, sd = 157.5
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The magazine sports illustrated asked a random sample of 750 division i college athletes, "do you be...
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