The Mean Weight of Loads of Rock Is 47

question 2

Multiple Choice

The mean weight of loads of rock is 47.0 tons with a standard deviation of 6.0 tons. If 16 loads are chosen at random for a weight check, find the probability that the mean weight of those loads is less than 46.2 tons. Assume that the variable is normally distributed.

• A) 21.23
• B) 28.77
• C) 71.23
• D) 78.77

---

Definitions:

Religion

A set of beliefs, practices, and moral codes regarding the cause, nature, and purpose of the universe, often involving a deity or deities.

National Origin

The country where a person was born, or more broadly, the country from which an individual's ancestors originate.

Private Employment Agencies

Businesses that match employers with job seekers for a fee.

Part-Time Basis

Employment where individuals work fewer hours compared to full-time positions, often with flexible schedules and sometimes without benefits like health insurance.