Question: Probability and Bayes theorem question 1. You pick two balls from an urn that contains 13 red balls, 13 blue balls, 13 green balls, and

Probability and Bayes theorem question

1. You pick two balls from an urn that contains 13 red balls, 13 blue balls, 13 green balls, and 13 yellow balls. Find the probability that the first ball is red given that the second ball is red.

2. You toss a fair coin four times. Find the probability that four heads occurred given that the first toss and the third toss resulted in heads.

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