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nydimaria [60]
4 years ago
5

Neil goes to the pet shop and selects a treat for his dog. He chooses one, then chooses another. What is the probability Neil se

lects a bone and then a ball? There are 3 collars, 4 bones, and 5 balls.
Mathematics
1 answer:
9966 [12]4 years ago
5 0

Answer:

15.15% probability that Neil selects a bone and then a ball

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

Initially, there are 3+4+5 = 12 treats. 4 of those are bones. So the probability of selecting a bone is 4/12 = 1/3.

Now suppose a bone has been selected. Now there are 11 treats, 5 of which are balls. So the probability of selecting a ball in this situation is 5/11.

What is the probability Neil selects a bone and then a ball?

p = \frac{1}{3}*\frac{5}{11} = \frac{5}{33} = 0.1515

15.15% probability that Neil selects a bone and then a ball

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