(b) Two separate bags each contain eight marbles. In the first bag the marbles are red and blue and in the second bag they are red and green. Let x be the number of red marbles in bag 1 and y be the number of red marbles in bag 2. A marble is drawn from the first bag, its colour is noted, and then a marble is drawn from the second bag and its colour is noted. The probability of drawing two red marbles is 18 and the probability of neither marble being red 64 1.0 is Determine the possible values of x and y.

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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(b)
Two separate bags each contain eight marbles. In the first bag the marbles
are red and blue and in the second bag they are red and green. Let x be the
number of red marbles in bag 1 and y be the number of red marbles in bag 2.
A marble is drawn from the first bag, its colour is noted, and then a marble is
drawn from the second bag and its colour is noted. The probability of
drawing two red marbles is and the probability of neither marble being red
18
64
is Determine the possible values of x and y.
64
Transcribed Image Text:(b) Two separate bags each contain eight marbles. In the first bag the marbles are red and blue and in the second bag they are red and green. Let x be the number of red marbles in bag 1 and y be the number of red marbles in bag 2. A marble is drawn from the first bag, its colour is noted, and then a marble is drawn from the second bag and its colour is noted. The probability of drawing two red marbles is and the probability of neither marble being red 18 64 is Determine the possible values of x and y. 64
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