Several cars parked in a large parking lot sustain hail damage during a storm. T

Question

Several cars parked in a large parking lot sustain hail damage during a storm. The repair costs for the cars are uniformly distributed between $100 and $600.

A car is selected at random from the lot. Find the probability that the repair costs for the car are less than $437.

Provide an exact answer.

The mean salary of people living in a certain city is $37500 with a standard deviation of $2093. A sample of 60 people is selected at random from those living in the city.

Find the probability that the mean income of the sample is within $500 of the population mean.

Round your answer to 4 decimal places.

Explanation / Answer

upper limit is 600

lower limit is 100

We need P(x<437)=(437-100)/(600-100)= 0.674

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