Question

suppose a hat containing 100 balls consists of 20blue ball,30yellow balls,30red balls and 20green balls.a sample of 5 balls is drawn from the hat one by one without replacement.what is the probability that there will be 2blue balls in the sample
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.

20/100 * 19/99 * (98-18)/98 * (97-18)/97 * (96-18)/96 = ?

Related Questions

Suppose we have an urn with 10 white balls and 6 red balls, and we create an experiment by randomly... A jar contains 2 red balls, 2 blue balls, 2 green balls and 1 orange ball. Balls are randomly select... A jar contains 7 red balls, 5 green balls, 4 blue balls, and 3 white balls. A sample of size 7 balls...