Afair coin is tossed 3 times in a row. what is the probability that heads appears on only the last toss? a. `1/8` b. `3/8` c. `3/16` d. `3/4`

P(heads appears on only the last toss) =

Step-by-step explanation:

A fair coin is tossed 3 times in a row.

When a coin is tossed we get a tail or head T or H

The possible outcomes of 3 coins are

T T T , H H H , T H H, H T H, H H T, H T T , T H T, T T H

So total of 8 possible outcomes

heads appears on only the last toss , first and second toss should be tail

So its T T H. Only one possibility

Probability(any event)  = number of outcomes / total outcomes

P(heads appears on only the last toss) =

the answer is d

step-by-step explanation:

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