Multiple Choice
A recent survey found that 63% of all adults over 50 wear glasses for driving. In a random sample of 100 adults over 50, what is the mean and standard deviation of those that wear glasses?
A) mean: 63; standard deviation: 4.83
B) mean: 63; standard deviation: 7.94
C) mean: 37; standard deviation: 4.83
D) mean: 37; standard deviation: 7.94
Correct Answer:
Verified
Correct Answer:
Verified
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