# Question

The ages of cars owned by all people living in a city have a bell-shaped distribution with a mean of 7.3 years and a standard deviation of 2.2 years.

a. Using the empirical rule, find the percentage of cars in this city that are

i. 5.1 to 9.5 years old

ii. .7 to 13.9 years old

b. Using the empirical rule, find the interval that contains the ages of 95% of the cars owned by all people in this city.

a. Using the empirical rule, find the percentage of cars in this city that are

i. 5.1 to 9.5 years old

ii. .7 to 13.9 years old

b. Using the empirical rule, find the interval that contains the ages of 95% of the cars owned by all people in this city.

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