Two cards are drawn from a deck without replacement. The probability that both are aces is: MCQ with Answer and Explanation

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Two cards are drawn from a deck without replacement. The probability that both are aces is:

A. 1/221

B. 1/169

C. 4/663

D. 1/1326

Answer: Option A

Solution (By JKSSB Mock Tests)

P = (4/52)×(3/51) = 12/2652 = 1/221.

This question belongs to: Accountancy and Statistics Statistics

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If a distribution has two modes, it is called:

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B. Symmetric

C. Unimodal

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Correct Answer: Option D

Explanation:
Bimodal means two peaks in the frequency distribution.

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Correct Answer: Option C

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Question #3

Crude Death Rate is least appropriate for comparing mortality between:

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Correct Answer: Option B

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