OpenStudy (anonymous):
A box contains 3 cherry frozen treats and 2 grape frozen treats. Maggie takes a treat from the box without looking, gives it to her brother, and then selects another treat. What is the probability that her brother gets a grape treat and she gets a cherry treat?
OpenStudy (yanasidlinskiy):
There are 5 treats altogether, 3/5 is the probability of choosing a cherry treat, and 2/5 is the probability of choosing a grape treat. We want the probability her brother gets a grape and she gets a cherry: For her first pick, she must pick up a grape treat which is 2/5. Now there are only 4 treats left, she doesn't put the grape one back, there are still 3 cherry treats though, that hasn't changed. So the probability she chooses a cherry treat is 3/4. We multiply these together and we get: 2/5 x 3/4 = 3/10 or 0.3 Hope I've helped!
OpenStudy (anonymous):
thank you
OpenStudy (yanasidlinskiy):
Your Welcome!!!:)!!
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