Question

We will flip a balanced coin 3 times and for each toss, record whether we get a Head or a Tail. Write all possible outcomes of this experiment to find the probability that we get exactly 2 heads. Group of answer choices

Answer 1

Answer:

probability to get exactly 2 heads when flipped a balanced coin 3 times is 3/8 = 0.375 (37.5%)

Step-by-step explanation:

Denoting H as head and T as tails , then in 3 flips there are 2³=8 possible outcomes.

the possible outcomes in 3 flips are

H , H , H

H , H , T

H , T , H

H , T , T

T , H , H

T , H , T

T , T , H

T , T , T

then there are 3 outcomes out of 8 where there are exactly 2 heads ( 2 heads with the tails in the 3 different places possible)

then the probability to get exactly 2 heads when flipped a balanced coin 3 times is 3/8 = 0.375 (37.5%)