Probabilty chap 15

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Education

Published on July 9, 2008

Author: WiZiQ

Source: authorstream.com

PROBABILTY: PROBABILTY CHAPTER - 15 EXERCISE - 15.1 QUESTION 9:-A box contains 5 red marbles, 8 white marbles and 4 green marbles. One marbles is taken out of the box at random. What is the probability that the marble taken out will be (i) red? (ii) white? (iii) not green?: QUESTION 9:- A box contains 5 red marbles, 8 white marbles and 4 green marbles. One marbles is taken out of the box at random. What is the probability that the marble taken out will be (i) red? (ii) white? (iii) not green? QUESTION 10:-A piggy contains hundred 50p coins, Fifty Re 1 coins, twenty Re 2 coins and ten Re 5 coins. If it is equally likely that one of the coin will fall out when the bank is turned upside down, what is the probability that coin (i) will be a 50 p coin ? (ii) will not be a Re 5 coin ?QUESTION 11:-Gopi buys a fish from a shop for his aquarium. The shopkeeper takes out one fish at random from a tank containing 5 male and 8 female fish. What is the probability that the fish taken out is a male fish?: QUESTION 10:-A piggy contains hundred 50p coins, Fifty Re 1 coins, twenty Re 2 coins and ten Re 5 coins. If it is equally likely that one of the coin will fall out when the bank is turned upside down, what is the probability that coin (i) will be a 50 p coin ? (ii) will not be a Re 5 coin ? QUESTION 11:- Gopi buys a fish from a shop for his aquarium. The shopkeeper takes out one fish at random from a tank containing 5 male and 8 female fish. What is the probability that the fish taken out is a male fish? QUESTION 12:-A game of chance consists of spinning an arrow which comes to rest pointing at one of the numbers 1,2,3,4,5,6,7,8 , and these are equally likely outcomes. What is the probability that it will point at (i) 8? (ii) an odd number? (iii) a number greater than 2 ? (iv) a number less than 9?: QUESTION 12:- A game of chance consists of spinning an arrow which comes to rest pointing at one of the numbers 1,2,3,4,5,6,7,8 , and these are equally likely outcomes. What is the probability that it will point at (i) 8? (ii) an odd number? (iii) a number greater than 2 ? (iv) a number less than 9? slide5: THANKS A LOT PLEASE VISIT AGAIN

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