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Simple and Compound Event

A coin is tos...

Question

A coin is tossed three times. A is event that head appears once, B is the event that head appeared at the most twice, C is the event that tail does not appear.

A

Mutually exclusive

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B

Mutually exhaustive

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C

Either

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D

Neither

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Solution

The correct option is A Mutually exclusive
$n (S) = 8, n (A) = 3, n (B) = 7, n (C) = 1, A \cap B = ϕ$
$∴ C a n d B a r e m u t u a l l y e x c l u s i v e$

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