A random experiment means that: MCQ with Answer and Explanation

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A random experiment means that:

A. The experiment always gives the same result

B. The experiment has no outcome

C. The outcomes are uncertain but the set of all possible outcomes is known

D. The outcome can be predicted exactly

Answer: Option C

Solution (By JKExamLibrary)

In a random experiment, the result is not predictable with certainty but all possible outcomes are known.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1 Report Error

Bayes' theorem combines prior probability and likelihood to give:

A. Joint probability

B. Marginal probability

C. Posterior probability

D. Conditional probability of the evidence

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Correct Answer: Option C

Explanation:
It updates prior beliefs to posterior beliefs after observing evidence.

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

Conditional probability P(A|B) is defined as:

A. P(A) / P(B)

B. P(A∩B) / P(B)

C. P(A∩B) / P(A)

D. P(B) / P(A)

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Correct Answer: Option B

Explanation:
P(A|B) = P(A∩B) / P(B), provided P(B) > 0.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

In a statistical table, the column headings are technically referred to as:

A. Body

B. Captions

C. Stubs

D. Prefatory notes

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Correct Answer: Option B

Explanation:
Captions refer to the headings of the columns in a table, whereas stubs refer to the row headings.

This question belongs to: Accountancy and Statistics Statistics

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