A Certain University Maintains a Colony of Male Mice for Research

question 21

Multiple Choice

A certain university maintains a colony of male mice for research purposes. The ages of the mice are normally distributed with a mean of 60 days and a standard deviation of 5.2. Assume you randomly sample one mouse from the colony. The probability his age will be greater than 68 is _________.

• A) 0.4382
• B) 0.0618
• C) 0.9382
• D) 0.0630

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Definitions:

Opportunity Cost

Giving up the chance for gain from multiple possibilities by choosing a specific alternative.

Wheat

A type of cereal grain that is grown worldwide and is a staple food in many regions, used to make products like bread, pasta, and flour.

Toys

Objects designed for play, typically used by children, that can range from simple handmade items to complex electronic devices.

Excise Tax

A tax on sales of a good or service.