Find the Expected Value and Standard Deviation of a Random

question 17

Multiple Choice

Find the expected value and standard deviation of a random variable.
-A fast food restaurant just leased a new freezer and food fryer for three years. The
Service contract for the freezer offers unlimited repairs for a fee of $125 a year plus a $35
Service charge for each repair needed. The restaurant's research indicates that during a
Given year 80% of these freezers need no repairs, 11% needed to be serviced once, 5%
Twice, 4% three times, and none required more than three repairs. The expected number
Of repairs for this freezer per year is

• A) 1 repair.
• B) 1.25 repairs.
• C) 0.33 repairs.
• D) 0.79 repairs.
• E) 2.5 repairs.

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Definitions:

Profit Opportunities

Situations or circumstances where businesses can generate earnings that are above the normal expected returns.

Opportunity Costs

The value of the next best alternative that is foregone when a particular decision is made.

Opportunity Cost

The bypass of potential advantages from different routes when a specific option is taken.

Agricultural Production

The process and methods used in the cultivation of plants and raising of animals for food, fiber, biofuel, medicinal plants, and other products used to sustain and enhance human life.