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A roulette wheel has 38 slots in which the ball can land. Two of the slots are green, 18 are red and 18 are black. The ball is equally likely to land in any slot. The roulette wheel is going to be spun twice and the outcomes of the two spins are independent. A. The probability that it lands on...
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A hamburger chain found that 75% of all customers use mustard, 80% use ketchup, and 65% use both, when ordering a hamburger. What are the probabilities that a)A ketchupuser uses mustard? b)A mustarduser uses ketchup? Thirty percent of the managers in a certain...
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Consider a bowl containing 36 different slips of paper. Ten of the slips of paper each contain one of the digits from the set of 0 through 9 and 26 slips each contain one of the 26 letters of the alphabet. If one slip is drawn at random, what is P(odd number and a vowel)?
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Three switches in an electrical circuit are connected in parallel. The probability of each switch working is P(A) = 0.6, P(B) = 0.7, P(C) = 0.8. What is the probability that at least one switch is working? View more questions Search
