If there are 10 patrol cars and 1 is assigned as supervisor, what is the probability that a randomly assigned car is the supervisor?

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Multiple Choice

If there are 10 patrol cars and 1 is assigned as supervisor, what is the probability that a randomly assigned car is the supervisor?

Explanation:
Probability is the ratio of favorable outcomes to all possible outcomes. Here, there are 10 patrol cars and exactly one is the supervisor, so there is 1 favorable outcome out of 10 possible outcomes. 1 divided by 10 equals 0.1, which is 10%. So the randomly assigned car has a 10% chance of being the supervisor. The other options don’t fit: 5% would require 1 favorable out of 20, which isn’t our case; 1% would be 1 out of 100; and 0% would mean no chance, but there is a supervisor present.

Probability is the ratio of favorable outcomes to all possible outcomes. Here, there are 10 patrol cars and exactly one is the supervisor, so there is 1 favorable outcome out of 10 possible outcomes. 1 divided by 10 equals 0.1, which is 10%. So the randomly assigned car has a 10% chance of being the supervisor. The other options don’t fit: 5% would require 1 favorable out of 20, which isn’t our case; 1% would be 1 out of 100; and 0% would mean no chance, but there is a supervisor present.

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