If a and B Are Independent Events with P(A)= 0

question 234

Multiple Choice

If A and B are independent events with P(A) = 0.60 and P(B) = 0.70,then P(A or B) equals:

• A)1.30
• B)0.88
• C)0.42
• D)Cannot tell from the given information.

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Definitions:

Z Score

A value's relationship to the mean of a series of values is depicted as being a certain number of standard deviations away from the average.

Standard Score

A statistical measure that expresses the distance of a score from the mean in units of standard deviation, also known as a z-score.

Raw Score

The original, unmodified score obtained in an assessment or measurement.

Z Score

A numeric indicator that represents how a specific value compares to the average of a data set, expressed in units of standard deviations away from the mean.