# Question: Alison Bender works for an accounting firm To make sure

Alison Bender works for an accounting firm. To make sure her work does not contain errors, her manager randomly checks on her work. Alison recently filled out 12 income tax returns for the company’s clients. Unknown to anyone, 2 of these 12 returns have minor errors. Alison’s manager randomly selects 3 returns from these 12 returns. Find the probability that

a. Exactly 1 of them contains errors.

b. None of them contains errors.

c. Exactly 2 of them contain errors.

a. Exactly 1 of them contains errors.

b. None of them contains errors.

c. Exactly 2 of them contain errors.

## Answer to relevant Questions

The student health center at a university treats an average of seven cases of mononucleosis per day during the week of final examinations. a. Using the appropriate formula, find the probability that on a given day during the ...Suppose the owner of a salvage company is considering raising a sunken ship. If successful, the venture will yield a net profit of $10 million. Otherwise, the owner will lose $4 million. Let p denote the probability of ...Suppose that a certain casino has the “money wheel” game. The money wheel is divided into 50 sections, and the wheel has an equal probability of stopping on each of the 50 sections when it is spun. Twenty-two of the ...Nathan Cheboygan, a singing gambler from northern Michigan, is famous for his loaded dice. The following table shows the probability distribution for the sum, denoted by x, of the faces on a pair of Nathan’s dice. a. Draw ...In a group of 20 athletes, 6 have used performance-enhancing drugs that are illegal. Suppose that 2 athletes are randomly selected from this group. Let x denote the number of athletes in this sample who have used such ...Post your question