cards marked with numbers 5to 50 placed in a box and mixed thoroughly a card is drawn from the box at random find the probability that the number on the taken out card is a (1) prime number less than 10 (2)
a number which is a perfect square
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Prime nos less than 10 are 5,7. (1) is neither prime nor a composite no.
Cards with no.5 to 50 are there hence there are 46 cards
1). Cards chosen is a prime less than 10
p(A) = 2/46 = 0.04
2) no whi ch is a perfect square i.e. 9,16,25,36,49
p(b) = 5/46 = 0.10
Cards with no.5 to 50 are there hence there are 46 cards
1). Cards chosen is a prime less than 10
p(A) = 2/46 = 0.04
2) no whi ch is a perfect square i.e. 9,16,25,36,49
p(b) = 5/46 = 0.10
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