If X Is a Normal Random Variable with a Standard

question 67

Multiple Choice

If X is a normal random variable with a standard deviation of 10,then 3X has a standard deviation equal to

• A)10.
• B)13.
• C)30.
• D)90.

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Definitions:

July

The seventh month of the Gregorian calendar, typically associated with the height of summer in the northern hemisphere.

Materials Quantity Variance

The difference between the actual quantity of materials used in production and the standard amount expected to be used, multiplied by the standard cost per unit.

Materials Quantity Variance

The variance between the actual amount of materials utilized in manufacturing and the anticipated amount, multiplied by the established unit cost.

Raw Materials Price Variance

The difference between the actual cost and the standard cost of raw materials used in production.