A Statistics Teacher Started Class One Day by Drawing the Names

question 39

Multiple Choice

A statistics teacher started class one day by drawing the names of 10 students out of a hat and asked them to do as many pushups as they could. The 10 randomly selected students averaged 15 pushups per person with a standard deviation of 9 pushups. Suppose the distribution of the population of number of pushups that can be done is approximately normal. The 95% confidence interval for the true mean number of pushups that can be done is ​

• A)5.75 to 24.25.
• B)8.56 to 21.40.
• C)11.31 to 18.55.
• D)13.02 to 16.98.

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Definitions:

Community Service

Voluntary work intended to help people in a particular area, enhancing community environments and benefiting individuals or groups within the society.

Incapacitation

A term often used in criminal justice to refer to the prevention of future crimes by removing the ability of the offender to commit them, typically through imprisonment.

Criminals Imprisoned

Individuals who have been legally convicted of criminal activities and are serving their sentences in prison facilities.

Harm to Society

Describes the negative impacts or consequences actions or behaviors can have on the communal well-being and social order.