Two events are mutually exclusive if they: MCQ with Answer and Explanation

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Two events are mutually exclusive if they:

A. Always occur together

B. Can occur together

C. Have equal probabilities

D. Cannot occur together

Answer: Option D

Solution (By JKSSB Mock Tests)

Mutually exclusive events have no common outcome; P(A∩B) = 0.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

The CPI is used for:

A. Determining dearness allowance and wage revision

B. Measuring industrial growth

C. Calculating agricultural output

D. Calculating national income

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Correct Answer: Option A

Explanation:
CPI measures changes in the cost of living and is used to adjust wages and allowances.

This question belongs to: Accountancy and Statistics Statistics

Question #2

The geometric mean of a set of values is less than or equal to the arithmetic mean. This is known as:

A. Bayes' theorem

B. Central limit theorem

C. AM-GM inequality

D. Time reversal test

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Correct Answer: Option C

Explanation:
For non-negative numbers, AM ≥ GM always holds.

This question belongs to: Accountancy and Statistics Statistics

Question #3

The harmonic mean of 4 and 12 is:

A. 6

B. 8

C. 3

D. 16

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Correct Answer: Option A

Explanation:
HM = 2 / (1/4 + 1/12) = 2 / (4/12) = 2 / (1/3) = 6.

This question belongs to: Accountancy and Statistics Statistics

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