A Carload of Steel Rods Has Arrived at Cybermatic Construction

question 14

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 between 119.985 and 120.0125 cm is ___.

• A) 0.9925
• B) 0.9974
• C) 0.9876
• D) 0.9544
• E) 0.9044

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Definitions:

Anxious

Anxiety or stress felt due to the unpredictable result of a situation.

Avoidant

Tending to avoid social interactions or situations that are perceived as uncomfortable or stressful.

Personality Matching

The process of aligning or matching individuals based on their personality traits to predict compatibility in various contexts such as work, relationships, or friendship.

Relationship Longevity

The duration and persistence of a social connection, partnership, or marriage over time.