A box contains 3 red marbles and 7 white marbles. A marble is drawn from the box and the marble is replaced by a marble of the other colour. A second marble is drawn from the box. What is the probability that second marble is red?
The answer to the question is available in the PDF file https://www.assignmentexpert.com/https://www.assignmentexpert.com/homework-answers/mathematics-answer-45513.pdf
Comments
Leave a comment