Ajar contains 5 red marbles numbered 1 to 5 and 7 blue

Last updated: 2/22/2023

Ajar contains 5 red marbles numbered 1 to 5 and 7 blue marbles numbered 1 to 7 Find the following probabilities Round solutions to three decimal places if necessary a A marble is chosen at random If you re told the marble is red what is the probability that it has the number 3 on it P 3 red b The first marble is replaced and another marble is chosen at random If you re told the marble has the number 1 on it what is the probability the marble is red P red 1 1