QUESTION 1. A box contains 20 red, 15 blue, and 10 green marbles. Part a. Two marbles are selected at random with replacement. Find the probability they are both red. Part b. Two marbles are selected at random without replacement. Find the probability that the first is blue and the second is green. Part c. Two marbles are selected at random without replacement. Find the probability that the first is blue and the second is yellow.

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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QUESTION 1. A box contains 20 red, 15 blue, and 10 green marbles.
Part a. Two marbles are selected at random with replacement. Find the probability they are both red.
Part b. Two marbles are selected at random without replacement. Find the probability that the first is
blue and the second is green.
Part c. Two marbles are selected at random without replacement. Find the probability that the first is
blue and the second is yellow.
stchester Community College
20
Transcribed Image Text:QUESTION 1. A box contains 20 red, 15 blue, and 10 green marbles. Part a. Two marbles are selected at random with replacement. Find the probability they are both red. Part b. Two marbles are selected at random without replacement. Find the probability that the first is blue and the second is green. Part c. Two marbles are selected at random without replacement. Find the probability that the first is blue and the second is yellow. stchester Community College 20
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