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Probability and Sampling MCQs for Competitive Exams

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Probability and Sampling MCQs for Competitive Exams

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

46 MCQs Page 1

Topic Notes: Probability and Sampling

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 Sampling MCQs in Agriculture 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.

Attempt the questions page by page, check the correct answers, read the explanations where available, and compare your weak areas with past papers and mock test performance. Consistent MCQ practice improves speed, confidence, and retention for objective exam sections.

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1
What is the total number of possible outcomes for the result of a cricket match?
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2
If three letters are randomly placed into three corresponding envelopes, what is the probability that at least one letter is placed in the wrong envelope?
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3
The binomial distribution is primarily utilized for analyzing which type of random variables?
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4
How does the precision of a random sample change in relation to the sample size?
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5
What type of variables does the Poisson distribution primarily describe?
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6
If the odds in favor of an event occurring are 2:3, what is the probability of the event happening?
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7
When rolling two standard six-sided dice, what is the probability that the sum of the numbers shown is 14?
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8
Which sampling technique involves grouping elements based on shared characteristics?
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9
According to the addition theorem of probability, if two events A and B are mutually exclusive, what is the probability of either event occurring?
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10
What is the mathematical definition for the expectation of a random variable X?
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