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A box contains a nickel, a penny, and a dime. A dime is chosen first and is not replaced. Find the probability of choosing a second coin that is a nickel. P(nickel|dime)

A box contains a nickel, a penny, and a dime. A dime is chosen first and is not replaced. Find the probability of choosing a second coin that is a nickel. P(nickel|dime)
asked 187k views
25 votes
A box contains a nickel, a penny, and a dime. A dime is chosen first and is not replaced. Find the probability of choosing a second coin that is a nickel.

P(nickel|dime)

asked
User Marcel Wilson
by
7.8k points

2 Answers

5 votes
Probability of choosing a second coin that is a nickel = 1/2
answered
User Bertil Baron
by
8.9k points
9 votes
50%
There are two coins left in the box, and one of them is a nickel, so the fraction is 1/2 and that is a 50% chance
answered
User William Jockusch
by
8.5k points
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