Q9 of 32 Page 25

A bag is contains 50 coins and each coin is marked from 51 to 100. One coin is picked at random. The probability that the number on the coin is not a prime number, is

Total number of coins = 50


∴ Total number of outcomes = 50


prime numbers are = 53, 59, 61, 67, 71, 73, 79, 83, 89, 97


P(prime numbers) =


∴ P(not prime numbers) =

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6

A coin is tossed 1000 times, if the probability of getting a tail is 3/8, how many times head is obtained?

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A dice is rolled 600 times and the occurrence of the outcomes 1, 2, 3, 4, 5 and 6 are given below :





















Outcome



1



2



3



4



5



6



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200



30



120



100



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Class:



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IX



VIII



VII



VI



V



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92



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55



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