If we randomly select two coins from Piggy Bank # 3 without replacement, what is the probability the two coins we select are the same colour? (A) 0.321 (B) 0.333 (C) 0.346 (D) 0.355 (E) 0.367

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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Three piggy banks each contain 20 coins:
• Piggy Bank # 1 contains 12 gold coins, 5 silver coins and 3 copper coins.
Piggy Bank # 2 contains 8 gold coins, 10 silver coins and 2 copper coins.
• Piggy Bank # 3 contains 6 gold coins, 9 silver coins and 5 copper coins.
Transcribed Image Text:Three piggy banks each contain 20 coins: • Piggy Bank # 1 contains 12 gold coins, 5 silver coins and 3 copper coins. Piggy Bank # 2 contains 8 gold coins, 10 silver coins and 2 copper coins. • Piggy Bank # 3 contains 6 gold coins, 9 silver coins and 5 copper coins.
If we randomly select two coins from Piggy Bank # 3 without replacement, what is the
probability the two coins we select are the same colour?
(A) 0.321
(В) 0.333
(C) 0.346
(D) 0.355
(E) 0.367
Transcribed Image Text:If we randomly select two coins from Piggy Bank # 3 without replacement, what is the probability the two coins we select are the same colour? (A) 0.321 (В) 0.333 (C) 0.346 (D) 0.355 (E) 0.367
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