Why is the sum of probabilities (alpha + beta) sometimes not equal to 1?

Statistics Mcqs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Statistics Mcqsstatistics-mcqs
Published
9 Jul 2021
Last updated
28 May 2026

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Explanation

The sum of probabilities (alpha + beta) may not equal 1 because the underlying distribution can change, affecting the probabilities assigned. Factors like sample size or the individual values of alpha and beta do not directly cause this discrepancy.

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