126k views
1 vote
Jordan went to shelter to adopt a dog. There were 10 brown dogs and 10 black dogs. Jordan picked a dog, went home, then decided he wanted to go back and adopt another dog. What is the probability that he picked two black dogs?

A. 10/20
B. 9/19
C. 1/2
D. 9/38

User Dororo
by
5.1k points

1 Answer

3 votes

B. 9/19

Step-by-step explanation:

there was 20 dogs in total he took 1 black dog now 19 in total, now 9 black dogs and 10 brown dogs so one less probability of black dogs so 9 black dogs and 10 brown dogs so 9/19

User Mike Mathew
by
5.1k points