A box contains 6 blue marbles and 8 red marbles. You reach in and remove 2 marbles from the box without replacement. a) Make a tree diagram to represent this situation. b) Find the expected number of blue marbles

A box contains 6 blue marbles and 8 red marbles. You reach in and remove 2 marbles from the box without replacement. a) Make a tree diagram to represent this situation. b) Find the expected number of blue marbles

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

A box contains 6 blue marbles and 8 red marbles. You reach in and remove 2 marbles from the box without
replacement.
a) Make a tree diagram to represent this situation.

b) Find the expected number of blue marbles.

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