Suppose a Population Has a Mean of 870 and a Variance

question 27

Multiple Choice

Suppose a population has a mean of 870 and a variance of 8,100.If a random sample of size 36 is drawn from the population, the probability that the sample mean is between 840 and 900 is closest to _______.

• A)0.9544
• B)0.6826
• C)0.8185
• D)0.5899
• E)0.0897

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Definitions:

Quarterly

Pertaining to a three-month period, often used in the context of financial reporting or business performance evaluation.

Yearly

Describes events, measurements, or activities that occur or are calculated once every year.

Political Institutions

Structures and mechanisms of social order and cooperation governing the behavior of a set of individuals within a given human community.

Financial Institutions

Organizations that provide financial services, such as banks, insurance companies, and investment firms.