The life expectancy of a particular brand of tire is normally distributed with a mean of 40,000 and a standard deviation of 5,000 miles. What percentage of tires will have a life of 34,000 to 46,000 miles?
a. 38.49%
b. 76.98%
c. 50%
d. 88.49%
b
You might also like to view...
Establishing credibility in persuasive messages
A) is impossible unless the audience is already familiar with you. B) is a waste of time, since data and evidence are the only things audiences find convincing. C) requires a condescending, "know-it-all" tone. D) works only when you make negative comments about your company's competitors. E) is essential when you are trying to persuade a hostile or skeptical audience.
According to the text, researchers may assess validity in all of the following ways EXCEPT:
A) content validity. B) criterion validity. C) construct validity. D) coefficient validity. E) A and D
Information that is provided to an individual pertaining to that person’s behavior and performance is ______.
a. managing down b. managing sideways c. alienating d. feedback
______ refers to the production capability of a facility per unit of time.
A. Capacity B. Inventory buffer C. Demand D. Production volume