We Know That the Length of Time Required for a Student

question 68

Short Answer

We know that the length of time required for a student to complete a particular aptitude test has a normal distribution with a mean of 41.5 minutes and a variance of 3.1 minutes.What is the probability,rounded to four decimal places,that a given student will complete the test in more than 36 minutes but less than 44 minutes?

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Definitions:

Marginal Revenue

The incremental income a business obtains by selling one more unit of a product or service.

Average Total Cost

The total cost of producing a certain quantity of output divided by that quantity, representing the per-unit cost of production.

Economic Losses

Financial losses incurred due to factors such as market fluctuations, business operation inefficiencies, or external events affecting the economy.

Average Variable Cost

The total variable costs (costs that change with the level of output) divided by the quantity of output produced.