An urn contains 3 red balls, 5 green balls, and 2 yellow balls. (a) If you draw 3 balls, in how many different ways can you pick exactly 1 yellow ball? (b) If you pick 4 balls, in how many different ways can you pick at least 2 red balls? (c) If you pick 4 balls, in how many different ways can you pick such that you do not have any green balls?
An urn contains 3 red balls, 5 green balls, and 2 yellow balls. (a) If you draw 3 balls, in how many different ways can you pick exactly 1 yellow ball? (b) If you pick 4 balls, in how many different ways can you pick at least 2 red balls? (c) If you pick 4 balls, in how many different ways can you pick such that you do not have any green balls?
Chapter9: Sequences, Probability And Counting Theory
Section9.5: Counting Principles
Problem 40SE: A family consisting of 2 parents and 3 children is to pose for a picture with 2 family members in...
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An urn contains 3 red balls, 5 green balls, and 2 yellow balls.
(a) If you draw 3 balls, in how many different ways can you pick exactly 1 yellow ball?
(b) If you pick 4 balls, in how many different ways can you pick at least 2 red balls?
(c) If you pick 4 balls, in how many different ways can you pick such that you do not have any green balls?
(d) If you draw 3 balls, in how many different ways can you pick at least 2 different colors?
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