1021.The probability that a bulb produced by a factory will fuse after 150 days of use is 0·05. Find the probability that out of 5 such bulbs more than one will fuse after 150 days of use.
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1022.The probability that a bulb produced by a factory will fuse after 150 days of use is 0·05. Find the probability that out of 5 such bulbs at least one will fuse after 150 days of use.
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1023.The probability that a bulb produced by a factory will fuse after 150 days of use is 0·05. Find the probability that out of 5 such bulbs none will fuse after 150 days of use.
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1024.The probabilities that a bulb produced by a factory will fuse after 160 days is 0·06. Find the probability that out of 5 such bulbs, at the most one bulb will fuse after 160 days of use.
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1025.In four throws with a pair of dice, what is the probability of throwing doublets at least twice?
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1026.A pair of dice is thrown 6 times. If getting a total of 9 is considered a success, what is the probability of at least 5 successes?
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1027.Find the probability of getting a sum of 9 at least twice in 10 throws with two dice.
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1028.A pair of dice is thrown 6 times. If getting a total of 7 is considered a success, what is the probability of at least 4 successes?
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1029.A pair of dice is thrown 6 times. If getting a total of 7 is considered a success, find the probability of at least five successes.
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1030.In a throw of 4 dice, find the probability that at least one die shows up 4.
Short Answer Type
