You have a kennel that contains all Labrador Retrievers. The kennel has 6 black

Question

You have a kennel that contains all Labrador Retrievers. The kennel has 6 black labs, 3 yellow labs, and 1 chocolate lab.

Find the following probabilities:

Q1: What’s the probability that you randomly select a black lab, don’t put the lab back, then draw another black lab, don’t put the lab back, and then draw another black lab?

Q2: What’s the probability that you draw a yellow or chocolate lab on the first draw, replace the dog, and then draw a black lab?

Q3: What’s the probability that you draw a yellow lab on the first draw, don’t put the lab back, and then draw either a yellow or chocolate lab on the second draw?

Explanation / Answer

Q1.

Probability = 6/10 * 5/9 * 4/8 = 1/6

Q2.

Probability = 4/10 * 6/10 = 6/25

Q3.

Probability = 3/10 * 3/9 = 1/10

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