# Business stats questions

**Question description**

The price of a stock is uniformly distributed between $25 and $40

What is the probability that the stock price will be between $33 and $37?

Determine the expected price of the stock

Determine the standard deviation for the stock

The miles-per-gallon obtained by the 1995 model Z cars is normally distributed

with a mean of 22 miles-per-gallon and a standard deviation of 5 miles-pergallon.

What is the probability that a car will get between 12.0and 34.1 miles-per gallon?

What is the probability that a car will get more than 29.6 miles-per-gallon?

What is the probability that a car will get less than 18 miles-per-gallon?

What is the probability that a car will get exactly 28miles-per-gallon?

The time it takes a mechanic to change the oil in a car is exponentially distributed with a mean of 5 minutes

What is the probability that it will take a 6 and 10 min to change the oil?

What is the probability that it will take less than 4 min to change the oil?

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