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Three integers are chosen at random from the set of first 20 natural numbers. The chance that their product is a multiple of 3 is
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An insurance company insured 2000 scooter drivers, 4000 car drivers and 6000 truck drivers. The probabilities of an accident for them are 0.01, 0.03 and 0.15 respectively. One of the insured persons meets with an accident. What is the probability that he is a scooter driver or a car driver?Question 4
There are five students and in a music class and for them there are five seats and arranged in a row, where initially the seat is allotted to the student . But, on the examination day, the five students are randomly allotted five seats.The probability that, on the examination day, the student gets the previously allotted seat , and NONE of the remaining students gets the seat previously allotted to him/her is(b) (c) (d) Stuck on the question or explanation?
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Question Text | Three integers are chosen at random from the set of first 20 natural numbers. The chance that their product is a multiple of 3 is |