# 5.4.1. Experimental Probability

A farm has 1 800 cows, where the probability that they get infected with the mad cow disease is 0.33. Determine the number of cows that are expected to get infected.

• A 594
• B 612
• C 630
• D 648

### Example

A farm has 1 800 cows, where the probability that they get infected with the mad cow disease is 0.33. Determine the number of cows that are expected to get infected.

### Solution

The probability that a cow gets mad cow disease is equal to the number of cows expected to get infected with mad cow disease divided by the total number of cows.

Write an equation to represent the probability, and solve for the value of .

So, it is expected that 594 cows will become infected.

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