A Normally Distributed Population Has a Mean of 500 and a Standard

question 20

Multiple Choice

A normally distributed population has a mean of 500 and a standard deviation of 60. Determine the probability that a random sample of size 16 selected from this population will have a sample mean less than 475.

• A) 0.3251
• B) 0.7124
• C) 0.0475
• D) 0.0712

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Definitions:

Average Yearly Salaries

The mean amount of money earned by employees in a specific job or industry over the course of a year.

Top Managers

The highest level of management in an organization, responsible for setting strategic goals and making overarching decisions.

Private Organizations

Non-governmental organizations typically driven by individual or group interests, often focused on business, education, or social issues.

Governmental Organizations

Entities operated by the government that carry out various functions and services for the public.