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The probability of winning in a certain state lottery is said to be about 1/9. If...

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Basic Math

The probability of winning in a certain state lottery is said tobe about 1/9. If it is exactly 1/9, what a random variablerepresents the distribution of the number of tickets a person mustpurchase up to and including the first winning ticket? Plot the PMFof this random variable. the distribution of the number of ticketspurchased up to and including the second winning ticket can bedescribed by what distribution?

Answer & Explanation Solved by verified expert
3.8 Ratings (527 Votes)
Let X is a random variable shows the number of tickets personneed to purchase including winning ticket Here X has geometricdistribution with parameter p 19The pmf of X isFollowing table shows the pmf    See Answer
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