Nancy Joon,Inc

question 32

Essay

Nancy Joon,Inc.has 1500 employees.A simple random sample of 81 employees was selected,and the individuals in the sample were asked how much they contribute (monthly)to their retirement accounts.The sample mean,
,was $150 with a standard deviation,s,of $45.
a.Estimate the standard error of the mean.
b.Develop an approximate 95% confidence interval for the population mean.

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Definitions:

Lease Contract

A legal agreement whereby a property owner allows a tenant to use the property for a specific period of time in exchange for rent.

Bodily Harm

Physical injury, damage, or impairment to an individual's body.

Open Threat

A clear and explicit warning or indication of the intention to cause harm or engage in hostile actions.

Professional Coverage

Insurance or protection provided to professionals against potential lawsuits or claims arising from their professional practice.