A jar contains 5 red marbles, numbered 1 to 5, and 7 blue marbles numbered 1 to 7. (ANSWER BOTH PARTS) PART a) A marble is chosen at random. If you're told the marble is red, what is the probability that it has the number 4 on it? PART b) The first marble is replaced, and another marble is chosen at random. If you're told the marble has the number 1 on it, what is the probability the marble is red?

A jar contains 5 red marbles, numbered 1 to 5, and 7 blue marbles numbered 1 to 7. (ANSWER BOTH PARTS) PART a) A marble is chosen at random. If you're told the marble is red, what is the probability that it has the number 4 on it? PART b) The first marble is replaced, and another marble is chosen at random. If you're told the marble has the number 1 on it, what is the probability the marble is red?

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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