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1 vote
A fair coin is tossed 3 times. What

is the probability of getting 2
heads in a row, given that exactly
2 heads occur?



2 Answers

7 votes

Answer:

The ratio of successful events A = 3 to total number of possible combinations of sample space S = 8 is the probability of 2 heads in 3 coin tosses.

Explanation:

User Jrz
by
4.6k points
1 vote

Answer:
(2)/(3)

Explanation:

Given that there are exactly two heads out of three coins, we have the following possibilities:

H H T

H T H

T H H

Two of the three possible outcomes have two heads in a row.


\frac{\text{Number of

User Dmitrii Bocharov
by
4.2k points