Question

6. There are 20 cards in a box with number 1
to 20. Find the probability of getting:
(i) a card of a prime number.
(ii) a card of number greater than 12.​

Answer 1

Answer:

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Answer 2

Answer:

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TOTAL NUMBER OF OUTCOMES = 20

(i) No. of prime number between 1 to 20 = 8 ( 2,3,5,7,,11,13,17,19)

favorable outcomes = 8

P(P) = 8/20 = 4/10 = 2/5

(ii) A card number greater than 12 = 7 (13,14,15,16,17,18,19,20)

P(G) = 7/20

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