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 is the probability that a randomly selected tire will have a life of at least 30,000 miles?

a. 0.4772
b. 0.9772
c. 0.0228
d. 0.5000


B

Business

You might also like to view...

The following errors were made in preparing a trial balance: the $1,350 balance of Inventory was omitted; the $450 balance of Prepaid Insurance was listed as a credit; and the $300 balance of Salaries Expense was listed as Utilities Expense. The debit and credit totals of the trial balance would differ by

a. $1,350. b. $1,800. c. $2,100. d. $2,250.

Business

What part(s) of speech is the word enthusiastic?

What will be an ideal response?

Business

Thomas has just conducted a focus group for Apple, asking participants their opinions regarding new features Apple is considering for its iPhone. Apple's marketing manager wants to use the results of this focus group to justify immediate product changes and new promotional strategies. As the marketing researcher, how would you respond?

What will be an ideal response?

Business

The Sherman Act applies to all of the following except: A)buying activities

B)selling activities. C)production activities. D)price discrimination.

Business