Question

The length of time it takes students to complete a statistics examination is uniformly distributed and varies between 40 and 60 minutes.

Answer 1

Answer:

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Step-by-step explanation:

ur question : The length of time it takes students to complete a statistics examination is uniformly distributed and varies between 40 and 60 minutes.

actual question : The length of time it takes students to complete a statistics examination is uniformly distributed and varies between 40 and 60 minutes.

a.Find the mathematical expression for the probability density function.

b.Compute the probability that a student will take between 45 and 50 minutes to complete the examination.

c.Compute the probability that a student will take no more than 40 minutes to complete the examination.

d.What is the expected amount of time it takes a student to complete the examination?

e.

What is the variance for the amount of time it takes a student to complete the examination?

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