Solve the Problem. -A Study of the Amount of Time It Takes a It

question 44

Multiple Choice

Solve the problem.
-A study of the amount of time it takes a mechanic to rebuild the transmission for a 1992 Chevrolet Cavalier shows that the mean is 8.4 hours and the standard deviation is 1.8 hours. If 40 mechanics are randomly selected, find the probability that their mean rebuild time exceeds 9.1 hours.

• A)0.0046
• B)0.1046
• C)0.1285
• D)0.0069

---

Definitions:

Emotional Intelligence

The ability to recognize, understand, and manage our own emotions and to recognize, understand, and influence the emotions of others.

Nonverbal Signals

Communication methods without spoken words, including gestures, facial expressions, and body language.

Tacit Knowledge

Knowledge that is difficult to transfer to another person by means of writing it down or verbalizing it.

Business Managers

Professionals responsible for planning, directing, and overseeing operations and employees within a company to meet organizational goals.