A Loaf of Bread Is Normally Distributed with a Mean

question 86

Multiple Choice

A loaf of bread is normally distributed with a mean of 22 ounces and a standard deviation of ½
Ounces.
(i. The probability that a loaf of bread is 22.25 ounces is 0.0.
(ii. The probability that a loaf of bread is between 21.75 and 22.25 ounces is 0.3830.
(iii) The probability that a loaf of bread is < 24 ounces is 1.0.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) is a correct statement but not (ii) or (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (i) and (ii) are correct statements but not (iii).
• E) (ii) and (iii) are correct statements but not (i).

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Definitions:

Total Variable Cost

The sum of all variable expenses associated with producing a particular level of output.

Total Fixed Cost

An expenditure that does not change with the level of production or sales over a short period.

Average Variable Costs

The costs of labor, material, and other inputs that change with the level of production or sales volume.

Average Fixed Costs

The sum of all fixed production costs divided by the number of units produced.