Three coins are tossed once. Find the probability of getting (i) heads (ii) heads

When a coin is tossed the possible outcomes are either a Head or Tail .

Here, coin is tossed three times then the sample space contains,

And .

(i) heads

Suppose be the event of getting heads

Then,

Therefore, .

(ii) heads

Suppose be the event of getting heads

Then,

Therefore, .