From a standard deck of 52 cards, one card is drawn. What is the probability that it is either a King or a Heart? MCQ with Answer and Explanation

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From a standard deck of 52 cards, one card is drawn. What is the probability that it is either a King or a Heart?

A. 1/4

B. 17/52

C. 4/13

D. 16/52

Answer: Option D

Solution (By JKSSB Mock Tests)

P(K or Heart) = P(K) + P(Heart) - P(King of Hearts) = 4/52 + 13/52 - 1/52 = 16/52.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

Cumulative frequency for a class interval represents:

A. The difference between the upper and lower class limits

B. The average frequency across all classes

C. The frequency of that class only

D. The sum of frequencies of all classes up to and including that class

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Correct Answer: Option D

Explanation:
Cumulative frequency is the running total of frequencies, calculated by adding the frequency of each class to the sum of frequencies of all preceding classes, useful for percentile calculations.

This question belongs to: Accountancy and Statistics Statistics

Question #2

In Bayes' theorem, the term 'likelihood' refers to:

A. P(A)

B. P(A|B)

C. P(B|A)

D. P(B)

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Correct Answer: Option C

Explanation:
Likelihood is the probability of the evidence given the hypothesis.

This question belongs to: Accountancy and Statistics Statistics

Question #3

The class midpoint is also known as:

A. Class limit

B. Class mark

C. Class frequency

D. Class interval

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Correct Answer: Option B

Explanation:
Class mark = (lower limit + upper limit)/2.

This question belongs to: Accountancy and Statistics Statistics

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