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July 6, 2015

Homework Help: roll dice

Posted by sonney32 on Saturday, April 16, 2011 at 1:24pm.

Event A you roll the die and it's even
Event B you roll the die and it's less than 5

Roll the die once. What is the probability that Event A will occur given that Event B has alrady occured?

would it be 3/4 = .75 or 75% not sure need help
and,

Roll the die once. what is the probability that Event B will ocurr given that Event A has already occured?

would this be 4/3 =1.33 I do not think this is right. I would appreciate it if someone could help me out on how you figure something like this out.

Thanks

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