SOLUTION: Information from the Department of Motor Vehicles
indicates that the average age of licensed drivers is
U= 39.7 years with a standard deviation of
O= 12.5 years. Assuming that t
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-> SOLUTION: Information from the Department of Motor Vehicles
indicates that the average age of licensed drivers is
U= 39.7 years with a standard deviation of
O= 12.5 years. Assuming that t
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Question 387979: Information from the Department of Motor Vehicles
indicates that the average age of licensed drivers is
U= 39.7 years with a standard deviation of
O= 12.5 years. Assuming that the distribution of
drivers’ ages is approximately normal,
a. What proportion of licensed drivers are more than
50 years old?
b. What proportion of licensed drivers are less than
30 years old?
(