Two marbles are drawn randomly from a bag having 5 red, 20 white, 10 blue, and 5 orange marbles. Solve each part, by first considering that the experiment is carried out with replacement and then without replacement. (a) the first is red and the second is white (b) neither is orange (c) they are either red or white or both (red and white)

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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Two marbles are drawn randomly from a bag having 5 red, 20 white, 10 blue, and 5 orange marbles. Solve each part, by first considering that the experiment is carried out with replacement and then without replacement. (a) the first is red and the second is white

(b) neither is orange

(c) they are either red or white or both (red and white)

(d) at least one is orange 

(e) at most one is red

(f)  the first marble is either red, white or blue

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