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Cards are mixed with numbers from 2 to 151 are placed in a box and mixed thoroughly. One card is drawn at random from this box.find the probability that the no on the card is prime no less than 75
Asked by venkataraman raman | 24 Feb, 2019, 12:34: PM
answered-by-expert Expert Answer
There are 15 prime numbers between 75 and 151 :  79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151
 
probability of selecting each crad at random = 1/150
 
probability of selecting any one of these cards at random = 15×(1/150) = 1/10
Answered by Thiyagarajan K | 24 Feb, 2019, 10:54: PM

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