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A coin is tossed three times. Let A = {t...

A coin is tossed three times. Let A = {three heads occur} and B = {at least one head occurs}.
What is `"P"(AcupB)`?

A

`1/8`

B

`1/4`

C

`1/2`

D

`7/8`

Text Solution

Verified by Experts

The correct Answer is:
D
The only situation when neither of these sets is satisfied occurs when three tails
appear. `"p"(AcupB)=7/8` .
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