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A certain bowler can bowl a strike 75 %75% of the time. What is the probability...

A certain bowler can bowl a strike 75 %75% of the time. What is the probability that she ​a) goes threethree consecutive frames without a​ strike? ​b) makes her first strike in the thirdthird ​frame? ​c) has at least one strike in the first threethree ​frames? ​d) bowls a perfect game​ (12 consecutive​ strikes)?

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