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Chapter 13: Q. 4 (page 864)

True or False In a probability model, the sum of all probabilities is 1.

Short Answer

Expert verified

True statement

Step by step solution

01

Step 1. Given Information. 

True or False In a probability model, the sum of all probabilities is 1.

02

Step 2. True or False. 

In a probability model, the sum of all probabilities is 1 because if you have one experiment with different outcomes, then the probability of those outcomes to occur is just between 0 to 1 and if you will add them together, their sum will be equal to 1.

03

Step 3. Conclusion.

The given statement is true.

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