Probability Resources

This is for finite math. I do not know how to get the answer.

Tommy is using his calculator to obtain a random number from 15-25. Find the probability as a simplified fraction

There are 2 red marbles 2 yellow marbles 1 green 1 purple. patrick picks out a marble and then picks a second marble. What is the  probability Patrick picks a red marble first and a green marble...

a. What is the probability that Xbar is less than 49?   b. What is the probability that Xbar is between 49 and 50.5?   c. c. What is the probability that Xbar is above...

If a question is asking you to find P(A`UB`), is it the same as 1-P(AUB), or would I have to find the complements of A and B first and then apply the Union formula?

Tai plays a game of chance with the following outcomes   15 chance of winning \$10 12 chance of winning \$3 310 chance of losing \$8   The game has a \$2 entry fee. what...

a word problem for my math 2 homework a box contains 18 blue chips 6 red chips 4 green chips and 2 yellow chips that are identical in size and shape. If one chip is chosen at random, what is...

Five people are on a team. Two of them are selected at random to attend a competition. How many different groups of two can be selected? and if Mary is one of the five people in...

Five people are on a team. Two of them are selected at random to attend a competition.   How many different groups of two can be selected?   and if Mary is one of the...

one die rolled in succession and it is rolled twice what is the probability of the sum being greater than 7 and then what is the probability of it being divisible by 4 but not 5

Four coins are tossed. What is the probability of two heads and two tails occurring?

Jennna is on a shopping spree. She buys six tops, three shorts and 4 pairs of sandals. How many different outfits consisting of a top, shorts and Sandals can she create from her new purchases?

Assume that a gambler plays a fair game where he can win or lose 1 dollar in each round . His initial stock is 200 dollar. He decides a priory to stop gambling at the moment when he either has...

A bag contains five red balls and four green balls. Another bag contains three red balls and seven green balls. A ball is drawn from the first bag, and three balls are drawn from the other bag. Find...

when it goes up to any floor(except 4), the probability that after it has stopped it will continue to rise is 3/4. when it goes down to any floor(except ground), the probability after it has stopped...

The results of a recent survey showed that the probability of a teacher owning a cat and a dog is 0.015. The probability of a teacher owning a dog is 0.28. What is the probability that a teacher owns...