Page 1 :
leo www.facebook.com/eduwiser, , Fi e bag, the abi, , 5. A bag contains 3 red, 4 black and 2 green balls. One ball is drawn at random from the bag, find the probat lity that, drawn ball is black, , 6. Ina single throw of two coins, find the probability of getting at least one tail, , i (6x2-1,,), ~ Choose the correct answer in each of the following :, , s_ It is spinned. What is the probap,, 7. Ina spinning wheal, there are 3 red and 4 green sectors having equal areas. It is spinned. Proba lity, getting a red sector?, 5, 4 3 @ FZ, er (b) 1 (c) 7 4, , z, i / One card is;, 8. 9 cards are numbered as 1, 2, 3, 4, 5, 6, 7, 8, 9. They are kept in a box and mixed thoroughly. One card is cho..., random. What is the probability of getting a prime number ?, = 4 2 @, 0 iz (c), 5 Oo 5 9, , 9. Adie is thrown. The probability of getting an odd prime number is, , wala, , 1 1 2, @ 5 Oy Os, , 10. The probability that a number selected at random from 1, 2, 3,..., 15 is a multiple of 4 is, , (@)_ none of these, , 1 I, (a) 4a (b) s (c) 3 (d) none of these, , 11. The probability that it will rain today is 0.75. What is the probability that it will not rain today ?, (a) 01s (b) 0.25 (c) 0.35 (@)_ none of these, , 12. IfA is an event and P (A) and P(A) denote the probabilities of occurrence and non occurrence Fespectively of event al, , then P(A)+P(A) =, , 1, (a) 0 (b) D Ke)i (d) none of these, 13. Fill in the blanks., , (a) On throw of a die, the probability of getting a number greater than 4 is, (b) Number of possible outcomes when 2 coins are tossed is, , 14 x 1=4 marks}, , , , (c) A bag contains 3 red, 4 black and 3 green balls. One ball is drawn, , at random from the bag, th. e nur of, Possible outcomes is ... ig, then the nu, , , , (d) Ina single throw of two coins the Probability of getting no head is