Question

# 3) What is the probability of the event of randomly selecting a defective disk drive out...

3) What is the probability of the event of randomly selecting a defective disk drive out of 50 available disc drives, of which 5 are defective? Also give the probability of the complementary event.

4) A computer operator must select 4 jobs from among 10 jobs waiting to be completed. How many different arrangements are possible?

5) A CRA auditor must audit 12 returns from a group of 22. How many different combinations are possible?

3)The probability of the event of randomly selecting a defective disk drive out of 50 available disc drives, of which 5 are defective

is

The probability of the complementary event (not selecting a defective disk) is

4)The number of different arrangements (order important) possible is.

The number of different arrangements (order not important) possible is

5) The number of different combinations (order not important)  possible is .

#### Earn Coins

Coins can be redeemed for fabulous gifts.