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Problem

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2 Nov 2021

Given information

Use the following information to answer the next eleven exercises. The age of cars in the staff parking lot of a suburban college is uniformly distributed from six months (  years) to  years.

Find the third quartile of ages of cars in the lot. This means you will have to find the value such that , or , of the cars are at most (less than or equal to) that age.

Step-by-step explanation

Step 1.

The notation of the uniform distribution is, .

where, is the lowest value of and is the highest value of .

The probability density function is as follows:

where .

According to the given information, the distribution of is uniform with parameters and , in mathematical form

.

On substitute for and for  in the probability density function.

where .

The height of the distribution is .

The graph of the third quartile is given below:

 

 

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