Which of the following is a valid probability value? MCQ with Answer and Explanation

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Which of the following is a valid probability value?

A. 1.5

B. 0.75

C. -0.2

D. 2

Answer: Option B

Solution (By JKSSB Mock Tests)

Probability must lie between 0 and 1 inclusive. 0.75 is valid.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

The difference between a histogram and a bar chart is:

A. Histogram is for continuous data, bar chart for discrete/categorical

B. Histogram uses frequency, bar chart uses cumulative frequency

C. Bar chart uses bars, histogram uses lines

D. No difference

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Correct Answer: Option A

Explanation:
Histogram represents frequency distribution of continuous variables, while bar chart is for categorical data with gaps between bars.

This question belongs to: Accountancy and Statistics Statistics

Question #2

The probability of getting a sum of 7 when two dice are rolled is:

A. 1/36

B. 6/36

C. 1/6

D. 5/36

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Correct Answer: Option C

Explanation:
6 favorable pairs out of 36 = 6/36 = 1/6. Option D is also 6/36 but simplifies to 1/6. Use A.

This question belongs to: Accountancy and Statistics Statistics

Question #3

The midpoint of a class interval 20-30 (exclusive) is:

A. 20

B. 25

C. 50

D. 30

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Correct Answer: Option B

Explanation:
Class midpoint = (Lower limit + Upper limit) / 2 = (20 + 30) / 2 = 25. This represents the central value of the class for calculations like mean in grouped data.

This question belongs to: Accountancy and Statistics Statistics

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