The Life Expectancy in the United States Is 75 with a Standard

question 58

Short Answer

The life expectancy in the United States is 75 with a standard deviation of 7 years. A random sample of 49 individuals is selected.
a.What is the probability that the sample mean will be larger than 77 years?
b.What is the probability that the sample mean will be less than 72.7 years?
c.What is the probability that the sample mean will be between 73.5 and 76 years?
d.What is the probability that the sample mean will be between 72 and 74 years?
e.What is the probability that the sample mean will be larger than 73.46 years?

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Definitions:

Market Share

The portion of a market controlled by a particular company or product, often expressed as a percentage of total sales in that market.

Sales-Oriented

Pertains to strategies or cultures within businesses that prioritize achieving sales targets, often at the expense of customer satisfaction or long-term branding.

Pricing Strategy

A company's plan or approach towards setting prices for its products or services to maximize profitability and meet the market demand.

Corporate Direction

The strategic guidance and overall goals set by a company's leadership, defining its mission, vision, and long-term objectives.