a box contains 30 cards with counting from 1-30 written on them. if a card is chpsen at random then what is the probability :(a) the number written on it is a prime number
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the probability is 10/30 or 1/3
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1
prime numbers in the cards are- 2,3,5,7,11,13,17,19,23,29
threfore there are 10 prime nos in the cards
so probability of prime nos is
10/30 = 1/3
threfore there are 10 prime nos in the cards
so probability of prime nos is
10/30 = 1/3
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