8. In a survey of 278 women, 195 were found to be working. If a woman is selected at random, find the probability that she is not working.

9. From  a pack of cards, a card is drawn at random. Find the probability of getting a red card.

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ANS 8 : P(E) - 1_ 195/278 = 83/195
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9- p(e)=26/52 because a deck has 26 red and 26 black cards
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