A Carload of Steel Rods Has Arrived at Cybermatic Construction

question 37

Multiple Choice

A carload of steel rods has arrived at Cybermatic Construction Company. The car contains 50,000 rods. Claude Ong, manager of Quality Assurance, directs his crew measure the lengths of 100 randomly selected rods. If the population of rods has a mean length of 120 cm and a standard deviation of 0.05 cm, the probability that Claude's sample has a mean greater than 120.0125 cm is ___.

• A) 0.0124
• B) 0.0062
• C) 0.4938
• D) 0.9752
• E) 1.0000

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Definitions:

Assertive

The quality of being self-assured and confidently communicating one's needs and desires in a respectful manner.

Emotionally Honest

The quality of being open and truthful about one's feelings.

Leading Question

A type of question that prompts or encourages the desired answer, often implying or containing its own answer.

Group Setting

A context in which services, learning, or discussions take place in a communal environment with multiple participants.