A recent survey found that 76 % 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? round the answers to the nearest hundredth.
a. mean: 24.00 ; standard deviation: 4.27
b. mean: 76.00 ; standard deviation: 8.72
c. mean: 24.00 ; standard deviation: 8.72
d. mean: 76.00 ; standard deviation: 4.27
