Must be in decimal form

Must be in decimal form

stats 1st year question answers

there are 7 red balls and 3 white balls in a bag. Andrew, Betsy, Cam, and Doug, in that order are going to randomly pick a ball from the bag and not replace it. first to draw a white ball wins. what...

The answers are either A.5/36 B.1/6 C.1/9 D.2/5

Replacement*

There are 9 coins. 1,1,2,2,2,3,3,3,3. What is the probability of choosing three coins that add up to 6?

Need help figuring it out the answer is 23/66 but I dont know how i got there?!

continuation of question a black pair of socks? without looking how many socks would you need to pull out of the dryer to be sure you get a matching pair (of any color)?

This is a probability word problem. it is asking a combination/ permutation question

A spinner and a cube are used in a game. If the probability of a player spinning the color red and then rolling a 5 or 6 is 1/8, how many sections of the spinner should be labeled with the color red...

I'm having a little trouble with this

Image 81k

A contest at a fast-food restaurant offered the following cash prizes and probabilities of winning on one visit when a customer buys an...

Suppose three balls are drawn (with replacement) from a bag that contains 4 red balls and 6 green balls. The number of green balls is counted. What is the expected number of greengreen balls...

Two cards are drawn without replacement from an ordinary deck. Find the probability that two queens are drawn.

A raffle offers a first prize of $1000, 2 second prizes of $300, and 20 third prizes of $10 each. If 20000 tickets are sold at 75 cents each, find the expected winnings for a person buying 1 ticket...

The given table indicates the transactions for one teller for one day. Letting Upper E1 represent "cashing a check" and Upper E2 represent "making a deposit," express...

Two cards are drawn without replacement from an ordinary deck, find the probability that the second is not a kingnot a king, given that the first is not a kingnot a king. What is the conditional...

If two fair dice are rolled, find the probability of the following result. A double, given that the sum was 11.

Adam is given a bag of 20 sweets of which 6 are strawberry flavoured, 6 are lemon flavoured and 8 are orange flavoured. Adam take out 5 sweets at random and eats them. Find the probability that he...

A box contains papers numbered 1 to 8. Two slips are drawn, one after the other without replacement. a) What is the probability that both numbers are even? (and for my sake why) b)...

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