Probability that the first red ball appears on the last draw

Reference no: EM131809945

Question: A box contains 50 black balls and 30 red balls. Four balls are drawn at random from the box, one after the other, without replacement. Find the chance that

a) all four balls are black:

b) exactly three balls are black:

c) the first red ball appears on the last draw.

Reference no: EM131809945

Questions Cloud

What is the appropriate tax treatment : What is the net result of these gains and losses for 2007, What is the appropriate tax treatment

How large a random sample must be : Suppose 55% of a large population of voters actually favor candidate A. How large a random sample must be takes for there to be a 99% chance.

Discuss a beneficiary in the will of your late aunt susan : You have just learned that you are a beneficiary in the will of your late Aunt Susan

What is the amount of the companys common stock : What is the amount of the company's common stock as of December 31, 20X6?How much did the company pay in dividends during 20X6?

Probability that the first red ball appears on the last draw : A box contains 50 black balls and 30 red balls. Four balls are drawn at random from the box, one after the other, without replacement.

At what amount should xyz initially recognize the machine : A printing company called XYZ buys a printing machine that was priced at 2,000,000. At what amount should XYZ initially recognize this machine?

Find the probability that there are three different winners : In a raffle with 100 tickets, 10 people buy 10 tickets each. If there are 3 winning tickets drawn at random find the probability.

Participate leadership to solve company productivity problem : Use participate leadership to solve company productivity problems.

Discuss what does segregation of duties refer to : What does segregation of duties refer to? Why is it important for a company to make sure there are effective controls in place regarding segregation of duties

User Account

All Pages