Solve the Problem. -A Final Exam in Math 160 Has a Mean of a Mean

question 30

Multiple Choice

Solve the problem.
-A final exam in Math 160 has a mean of 73 with standard deviation 7.8. If 24 students are randomly selected, find the probability that the mean of their test scores is greater than 71.

• A)0.8962
• B)0.0008
• C)0.5036
• D)0.9012

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Definitions:

Equivalent Units

An approach utilized in process costing to translate partially finished units into an equivalent number of completely finished units.

First-in

A principle often related to inventory valuation where the earliest goods purchased or produced are the first ones to be sold or used.

Conversion

The process of changing resources into finished products, or converting prospects into customers.

Equivalent Units

A concept used in cost accounting to represent the amount of work done on partially completed goods, expressed in terms of fully completed units.