Chapter 2: Q. 2.41 (page 51)
If a die is rolled times, what is the probability that
comes up at least once?
the probability that comes up at least once is.
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Suppose that a person chooses a letter at random from R E S E R V E and then chooses one at random from V E R T I C A L. What is the probability that the same letter is chosen?
Two dice are thrown times in succession. Compute
the probability that a double appears at least once. How large need be to make this probability at least?
How many people have to be in a room in order that the probability that at least two of them celebrate their birthday in the same month is at least Assume that all possible monthly outcomes are equally likely.
A deck of cards is dealt out. What is the probability that the th card dealt is an ace? What is the probability that the first ace occurs on the th card?
An urn contains red andblack balls, whereas the urncontains red andblack balls. If a ball is randomly selected from each urn, what is the probability that the balls will be the same color?
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