The probability that a randomly selected leap year contains 53 Sundays is: MCQ with Answer and Explanation

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The probability that a randomly selected leap year contains 53 Sundays is:

A. 2/7

B. 5/7

C. 1/7

D. 3/7

Answer: Option A

Solution (By JKSSB Mock Tests)

Leap year has 366 days = 52 weeks + 2 days. The 2 days can be Sun-Mon or Sat-Sun (2 out of 7 pairs), giving 2/7.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

The symbol (α) in attributes represents:

A. Presence of all attributes

B. Presence of B

C. Absence of attribute A

D. Possession of attribute A

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Correct Answer: Option C

Explanation:
α (alpha) is the negation of A, meaning not possessing A.

This question belongs to: Accountancy and Statistics Statistics

Question #2

A bag contains 5 white and 3 black balls. If one ball is drawn, the probability it is black is:

A. 3/8

B. 3/5

C. 1/8

D. 5/8

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Correct Answer: Option A

Explanation:
Total balls = 8. Favorable outcomes (black) = 3. Probability = 3/8.

This question belongs to: Accountancy and Statistics Statistics

Question #3

Total Fertility Rate (TFR) of 1.8 in a developed country suggests:

A. Population will grow rapidly

B. Fertility is increasing

C. Population is below replacement level

D. Migration is the only growth source

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Correct Answer: Option C

Explanation:
Replacement-level TFR is ~2.1 in low-mortality settings; TFR=1.8 indicates each generation of women has fewer daughters than needed for replacement, leading to eventual population decline without immigration.

This question belongs to: Accountancy and Statistics Statistics

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