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15. Probability
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Q8 of 55 Page 623

A die is thrown 40 times and each time the number on the uppermost face is noted. It was recorded as under:





















Outcome



1



2



3



4



5



6



Number of times



5



6



8



10



7



6



A die is thrown at random, What is the probability of getting a 5?

Total number of times die is thrown: 40


Number of times 5 noted on the uppermost face: 7


Probability P() =


Probability of getting 5 on uppermost face die is


P(5) = =

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In 50 tosses of a coin, tail appears 32 times. If a coin is tossed at random, what is the probability of getting a head?

7

In a cricket match, a batsman hits a boundary 6 times out of 30 balls he plays. What is the probability that in a given throw, the ball does not hit the boundary?

9

In 50 throws of a die, the outcomes were noted as under:





















Outcome



1



2



3



4



5



6



Number of times



8



9



6



7



12



8



A die is the at random. What is the probability of getting an even number?

10

In 65 thrown of a die, the outcomes were noted as under:





















Outcome



1



2



3



4



5



6



Number of times



8



10



12



16



9



10



A die is thrown at random. What is the probability of getting a prime number?

Questions · 55
15. Probability
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