the Urn. A second marble is then selected from the Urn. Find the probability that (a) the second marble is red (b)both marbles are of the same colour.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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17 An Urn contains 5 red marbles and 3 white marbles. A marble is selected at
random from the Urn, discarded and two marbles of the other colour are put into
the Urn. A second marble is then selected from the Urn. Find the probability that
(a) the second marble is red (b)both marbles are of the same colour.
Transcribed Image Text:17 An Urn contains 5 red marbles and 3 white marbles. A marble is selected at random from the Urn, discarded and two marbles of the other colour are put into the Urn. A second marble is then selected from the Urn. Find the probability that (a) the second marble is red (b)both marbles are of the same colour.
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