An event that cannot happen is called: MCQ with Answer and Explanation

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An event that cannot happen is called:

A. Impossible event

B. Complementary event

C. Mutually exclusive event

D. Certain event

Answer: Option A

Solution (By JKSSB Mock Tests)

An impossible event has probability 0.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

If a dataset is bimodal, it indicates:

A. The mean is not defined.

B. The frequency distribution has two peaks.

C. The data have two medians.

D. The data are symmetric.

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Correct Answer: Option B

Explanation:
Bimodal means two modal values, i.e., two local maxima in the frequency distribution.

This question belongs to: Accountancy and Statistics Statistics

Question #2

The Median of the dataset: 12, 15, 10, 18, 20 is:

A. 10

B. 12

C. 18

D. 15

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Correct Answer: Option D

Explanation:
First, arrange in order: 10, 12, 15, 18, 20. The middle value (3rd item) is 15.

This question belongs to: Accountancy and Statistics Statistics

Question #3

If P(A)=0.2 and P(B)=0.5, and A, B are independent, then P(A∩B) is:

A. 0.1

B. 0.7

C. 0.3

D. 0.6

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Correct Answer: Option A

Explanation:
0.2×0.5 = 0.1.

This question belongs to: Accountancy and Statistics Statistics

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