Question

Two tokens are such that one is colored

Answer 1

Answer:

The probablitiy that the other side is also red is 0.67 (2/3)

Step-by-step explanation:

The conditional probability of A given B is denoted as P(A|B) and has the equation:

P(A|B)= (P(A) × P(B|A)) / P(B)

the probability that getting red after picking one token and flipping, P(R),

=probability of picking two side red token and getting red +

the probability of picking one side red one side blue token and getting red

=0.5 × 1 + 0.5 × 0.5 = 0.75

P(TR|R) means the probability of picking two side red token given that token landed red and equals to:

P(TR|R) = P(TR) × P(R|TR) / P(R) = 0.5 × 1 / 0.75 =2/3 ≈ 0.67