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1. A $1 scratch off lotto ticket will be a winner one out of 10 times....

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Basic Math

1. A $1 scratch off lotto ticket will be a winner one out of 10times. Out of a shipment of n = 200 lotto tickets, using thePoisson distributions in each case (for a, b and c), find theprobability for the lotto tickets that there are: a. somewherebetween 75 and 95 prizes. b. somewhere between 15 and 25 prizes. c.more than 50 prizes d.If a customer keeps buying tickets till shefinds a winner, find the probability that her 10thticket will be a winner.

Answer & Explanation Solved by verified expert
4.0 Ratings (766 Votes)
Let X is a random variable shows the number of prizes out of200 Here X has binomial distribution with parameters asfollowSince so we can use Poisson approximation Using Poisson    See Answer
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