With a certain scratchoff lottery ticket a player can either

With a certain scratch-off lottery ticket a player can either win $100 or win nothing. The probability that a person win $100 on a single ticket is 0.258. If Andy buys 10 tickets, what is the probablity of winning $100 each on 2 of the 10 tickets? Round your final answer to 5 decimal places.

Solution

This is Binomial with n = 10 and p = 0.258

P(2) = 10C2 (0.258^2)(1 - 0.258)^8 = 0.27522

With a certain scratch-off lottery ticket a player can either win $100 or win nothing. The probability that a person win $100 on a single ticket is 0.258. If An

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