A fair coin is tossed 3 times. What is the probability of getting 2 heads in a row, given that exactly 2 heads occur?

Question

asked Dec 28, 2021 36.2k views

2 Answers

Jrz · Answer 1 · 2021-12-29T10:33:20+0000

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:

Dmitrii Bocharov · Answer 2 · 2022-01-04T10:05:49+0000

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.

$\frac{\text{Number of$