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A fair die is tossed repeatedly until a six is obtained Let X denote the number of tosses required The probability that equals
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Practice questions from similar books
Question 1
Assume that each born child is equally likely to be a boy or a girl . If a family has two children, what is the conditional probability that both are girls given that(i) the youngest is a girl (ii) at least one is a girl?Question 2
A manufacturer has three machine operators A, B and C. The first operator A produces 1% defective items, where as the other two operators B and C produce 5% and 7% defective items respectively. A is on the job for 50% of the tune, B is on the job for 30% of the time and C is on the job for 20% of the time. A defective item is produced, what is the probability that it was produced by A?
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| Question Text | A fair die is tossed repeatedly until a six is obtained Let X denote the number of tosses required The probability that equals |
