If Two Equally Likely Events a and B Are Mutually

question 42

Multiple Choice

If two equally likely events A and B are mutually exclusive,what is the probability that event A occurs?

• A)0.
• B)0.50.
• C)1.00.
• D)Cannot be determined from the information given.

---

Definitions:

Null Hypothesis

A statement or hypothesis that assumes no statistical significance or effect exists in a set of observations or experiment.

Two-Tailed Test

A hypothesis test in which the critical area for a rejection of the null hypothesis is in both tails of the probability distribution, allowing for testing of deviations in both directions.

Population Mean

The average of all the values in a population, representing the central tendency of the total population.

Type II Error

The failure to reject a false null hypothesis or a false negative in hypothesis testing.