Suppose a Population Has a Mean of 90 and a Standard

question 46

Multiple Choice

Suppose a population has a mean of 90 and a standard deviation of 28.If a random sample of size 49 is drawn from the population, the probability of drawing a sample with a mean between 85 and 95 is ___.

• A)0.1056
• B)0.3944
• C)0.7888
• D)0.2112
• E)0.5000

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Definitions:

Claim

A statement asserting something to be true, often requiring supporting evidence or argument.

Specific Explanation

A detailed and explicit description or clarification of a subject or concept, leaving little to no room for ambiguity or misunderstanding.

Routine Messages

Communications that are part of the normal day-to-day operations in a business or organization, often standardized and dealing with regular activities.

Business Tone

The professional and formal manner of communication used in business environments.