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Write sample space 'S' and number of sa...

Write sample space 'S' and number of sample point n(S) for each of
the following experiments. Also write events P, Q, R in the set form
and write n(P), n(Q), n(R).
Two digit number are formed using digits 2, 3, 5, 7, 9 without
repetition of the digits.
Condition for event P : The number formed is odd .
Condition for event Q : The number is a multiple of 5 .
Condition for event R : The number The number formed is greater
than 75.

Text Solution

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The correct Answer is:
`S = {10, 12, 13, 14, 15, 20, 21, 23, 24, 25, 30, 31, 32, 34, 35, 40, 41, 42, 43, 45, 50, 51, 52, 53, 54} n(S) = 25`
`A = {10, 12, 14, 20, 24, 30, 32, 34, 40, 42, 50, 52, 54} n(A) = 13`
`B = {12, 15, 21, 24, 30, 42, 45, 51, 54} n(B) = 9`
`C = {51, 52, 53, 54} n(C) = 4`
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