141.A die is thrown once. Find the probability of getting number less than 3.
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142.A die is thrown once. Find the probability of getting number less than 5.
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143.What is the probability that a number selected have the number 1,2,3..............,15 is a multiple of 4.
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144.Write the Sample Space when a coin is tossed.
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145.Two friends were bom in the year 2000. What is the probability that they have the same birthday?
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146.Which of the following can not be the probability of an event?
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147.A bag contains 3 red balls and 5 black balls. A ball is drawn at randome from the bag. What is the probability that the ball drawn is red? Sol. No. of red balls = 3 No. of black balls = 5 Total no. of balls = 3 + 5 = 8 i.e. n(s) = 8
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148.One card is drawn from a well shuffled deck of 52 cards. Calculate the probability that the card will be a ‘diamond’?
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149.A bag contains 4 red and 6 black balls. A ballis taken out of the bag of random. Find the probability of setting a black ball.
150.From a well suoffled pack of cards, a card is drawn at random. Find the probability of setting a black queen.
When a Card is drawn of random from a well shoffled pack of cards, then possible outcomes are 52. i.e. n(s) = 52 Let A be the favourbale outcomes of setting a black queen, then n(A) = 2 Therefore,
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