A Researcher Wants to Estimate the Proportion of the Manufacturing

question 9

Multiple Choice

A researcher wants to estimate the proportion of the manufacturing companies that use the six sigma method.For this purpose, she will take a random sample of 50 manufacturing companies and find out how many of them use this method.She estimates that the proportion will be anywhere from 0.4 to 0.55.Of all the proportions in that range, which one would produce the narrowest 95% confidence interval for the population proportion?

• A)0.4
• B)0.45
• C)0.5
• D)0.55
• E)0.6

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Definitions:

Emotional Health

A state of well-being in which an individual is aware of their emotions, can express them appropriately, and manage them effectively, contributing to a positive life outlook.

Beneficial Activities

Tasks or actions that provide positive outcomes or contribute to one's well-being or success.

Caloric Intake

The total amount of calories consumed through foods and beverages over a period of time.

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