SOLUTION: Imagine that you are the one picking for the raffle draw of employees, the bowl contains papers with names of 10 employees from the purchasing department and 20 from the sales depa

Question 1078996: Imagine that you are the one picking for the raffle draw of employees, the bowl contains papers with names of 10 employees from the purchasing department and 20 from the sales department. If you draw 4� prize winners, what is the probability picking all 4 people from the sales department?�(Round off your answer in two decimal places)
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
30 employees in all and 4 are going to win. 30C4 is the denominator.
20C4 is the numerator.
0.1768 or 0.18
-----------------------
a check would be 20/30*19/29*18/28*17/27=0.1768 or 0.18
RELATED QUESTIONS
Imagine that you are the one picking for the raffle draw of employees, the bowl contains... (answered by ikleyn)

You draw names from a hat in which there are the names of 12 girls and 14 boys. What is (answered by ikleyn)

The personnel manager of a manufacturing company has cross-classified the 400 employees... (answered by robertb)

in one day, three employees can sort 66 packages. One of the employees is three times... (answered by richwmiller)

For a gift exchange 10 people names are written on slips of paper and placed in a bowl.... (answered by ikleyn,greenestamps)

The finance department of a particular company has 15 employees, 6 of whom have MBA... (answered by womansecret13,ikleyn,Edwin McCravy)

A company has three different sites: Site 1, Site 2 and Site 3. At Site 1 70% of the... (answered by edjones)

One bowl contains 3 white balls, 6 red balls and 4 green balls. Another bowl contains 6... (answered by Boreal)

In a particular corporation, 56% of the employees are white, 95% are male, and 53% are... (answered by Theo)