Verified answer

Answer:

The probability is 1/8

Step-by-step explanation:

T H

T H T H

T H T H T H T H

Listing the possible outcomes:

TTT

TTH

THT

THH

HTT

HTH

HHT

HHH

There are a total of 8 outcomes and only one can be the result of all tails:

P = Favourable outcome / possible outcome

P = 1 / 8