Two dice are rolled. Probability that the sum is 7 or 11 is: MCQ with Answer and Explanation

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Two dice are rolled. Probability that the sum is 7 or 11 is:

A. 7/36

B. 1/6

C. 5/36

D. 2/9

Answer: Option D

Solution (By JKSSB Mock Tests)

Ways for sum 7: 6; for sum 11: 2. Total favorable = 8. Probability = 8/36 = 2/9.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

Information published by the United Nations Statistical Division is considered as:

A. Tertiary Data

B. Secondary Data

C. Fictitious Data

D. Primary Data

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Correct Answer: Option B

Explanation:
Data published by international organizations are secondary sources for researchers who use them for their own studies.

This question belongs to: Accountancy and Statistics Statistics

Question #2

Two dice are rolled. The probability of getting a doublet is:

A. 1/6

B. 1/3

C. 1/36

D. 1/12

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Correct Answer: Option A

Explanation:
Doublets are (1,1), (2,2), (3,3), (4,4), (5,5), (6,6). Total 6 outcomes out of 36. Prob = 6/36 = 1/6.

This question belongs to: Accountancy and Statistics Statistics

Question #3

If P(A) = 0.3, P(B) = 0.4, and A, B are mutually exclusive, then P(A∪B) is:

A. 0.7

B. 0.1

C. 0.12

D. 0.5

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Correct Answer: Option A

Explanation:
Mutually exclusive → P(A∪B) = P(A) + P(B) = 0.3+0.4=0.7.

This question belongs to: Accountancy and Statistics Statistics

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