A Frequency Distribution Has a Mean of 200 and a Standard

question 88

Multiple Choice

A frequency distribution has a mean of 200 and a standard deviation of 20. The class limits for one class are 220 up to 240. Based on the normal distribution,what is the probability that an observation would be in this class?

• A)0.1359
• B)0.3413
• C)0.4772
• D)0.8185

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Definitions:

Shavings

Thin slices or particles that have been sliced or pared off from something, typically wood or metal.

Ambassador's

Relating to an ambassador, who is an accredited diplomat sent by a country as its official representative to a foreign country.

Announcer's

Pertaining to individuals who present or deliver information to the public, especially in broadcasting contexts like radio or television.

Children's

Pertaining to children; often used to signify possession, association, or relation to children, as in "children's books" or "children's health."