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Probability and Probability Distributions MCQs for Competitive Exams

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Probability and Probability Distributions MCQs for Competitive Exams

Practice with answers, explanations, and exam-focused revision notes.

139 MCQs Page 2

Topic Notes: Probability and Probability Distributions

These notes summarize the key preparation context before you attempt the MCQs. Review the topic focus, then practice the questions below with answers and explanations.

Quick Overview

Probability and Probability Distributions MCQs in Commerce are useful for candidates who need targeted practice for CSS, PMS, FPSC, PPSC, NTS, entry tests, and other competitive exams in Pakistan. This topic page is designed for quick revision, repeated practice, and exam-focused preparation.

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11
How is a posterior probability best described in statistical analysis?
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12
What is the term for a list of all possible outcomes of an experiment paired with their respective probabilities?
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13
Evaluate the following: Assertion (A) The normal distribution curve is bell-shaped with equal mean, median, and mode. Reason (R) As sample size increases, small-sample tests converge toward a normal distribution.
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14
According to probability theory, when are two events considered to be independent?
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15
In which type of statistical experiment is the population proportion typically the primary parameter of interest?
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16
Match the statistical terms in List-I with their correct definitions in List-II: (a) Unimodal, (b) Discrete probability distribution, (c) Continuous probability distribution.
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17
If P(B|A) = P(B), what is the value of P(A ∩ B)?
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18
For a Binomial Distribution with 'n' trials and 'p' probability of success, what is the formula for the mean?
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19
In a binomial distribution, as the number of trials (n) approaches infinity, what are the limiting values for the probability of success (p) and the probability of failure (q)?
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20
Under what condition does a binomial distribution exhibit negative skewness?
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