X Is a Normally Distributed Random Variable with a Mean

question 6

Multiple Choice

X is a normally distributed random variable with a mean of 5.0. Find the standard deviation of the distribution if 59.10% of the data lies to the right of 4.54. (Note: the diagram is not necessarily to scale.)

• A) 2.0
• B) 1.3
• C) 1.0
• D) 0.5

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Definitions:

Dairy Products

Foods produced from the milk of mammals, such as cheese, milk, butter, and yogurt.

Operating Profit

Income generated by the primary activities of a business, not including expenses from interest or taxes.

Single Equivalent Discount Rate

A unified discount rate that equates to the net present value of all future cash flows from a project or investment.

Mark-up

The additional sum included in the goods' cost to cover overhead expenses and gain, represented as a portion of the total cost.