Q. 243.8( 4 Votes )

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Answer :

Total numbers of elementary events are: 46

(i) Let E be the event of getting a prime number less than 10


The favourable numbers are: 5, 7


Then, numbers of favourable outcomes = 2


P (getting a prime number less than 10) = P (E) = 2/46 = 1/23


(ii) Let E be the event of getting a perfect square number


The favourable numbers are: 9, 16, 25, 36, 49


Then, the numbers of favourable outcomes = 5


P (getting a perfect square number) = P (E) = 5/46


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