If a and B Are Mutually Exclusive Events with P(A)=

question 37

Multiple Choice

If A and B are mutually exclusive events with P(A) = 0.30 and P(B) = 0.40,then P(A or B) is:

• A)0.10
• B)0.12
• C)0.70
• D)None of these choices

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Definitions:

Wilcoxon Signed Rank Test

A non-parametric test used to compare two related samples, matched samples, or repeated measurements on a single sample to assess whether their population mean ranks differ.

Absolute Difference

The non-negative difference between two values, disregarding the direction of difference.

Matched Pairs Studies

A form of experimental design where each subject is paired with a control subject based on certain characteristics, and differences between pairs are analyzed.

Wilcoxon Signed Rank Test

A non-parametric statistical test used to compare two related samples, matched samples, or repeated measurements on a single sample to assess whether their population mean ranks differ.