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blondinia [14]
2 years ago
7

Thomas goes to summer camp every year if his parents drive 155 miles to Camp to drop him off and then go back to pick him up in

two weeks, How many miles will they have traveled?​
Mathematics
1 answer:
prisoha [69]2 years ago
8 0
I would say 465 since they go back and forth twice which is 155 x 3
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A lot of 100 semiconductor chips contains 15 that are defective. three chips are selected at random from the lot without replace
Alex787 [66]
D=event that chip selected is defective
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Four possible scenarios for the first two selections:
P(DDD)=15/100*14/99*13/98=13/4620
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Probability of third selection being defective is the sum of all cases,
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