A recent survey found that 61% of all adults over 50 wear glasses for driving. In a random sample of 70 adults over 50, what is the mean and standard deviation of the number who wear glasses? round to the nearest hundredth when necessary.
A) mean: 27.3; standard deviation: 4.08
B) mean: 27.3; standard deviation: 6.53
C) mean: 42.7; standard deviation: 6.53
D) mean: 42.7; standard deviation: 4.08

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The Answer of A recent survey found that 61% of all adults over 50 wear glasses for driving. In a random sample of 70 adults over 50, what is the mean and standard deviation of the number who wear glasses? round to the nearest hundredth when necessary.
A) mean: 27.3; standard deviation: 4.08
B) mean: 27.3; standard deviation: 6.53
C) mean: 42.7; standard deviation: 6.53
D) mean: 42.7; standard deviation: 4.08

A Recent Survey Found That 61% of All Adults Over