Which of the following pairs are mutually exclusive? MCQ with Answer and Explanation

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Which of the following pairs are mutually exclusive?

A. Getting a 4 and an even number on a die

B. Drawing a heart and a queen from a deck

C. Getting a head and a tail in a single coin toss

D. Getting an even number and a prime number on a die

Answer: Option C

Solution (By JKSSB Mock Tests)

Head and tail cannot occur simultaneously in one toss.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

Which of the following is an example of a leading question?

A. How often do you exercise?

B. List three improvements you would suggest.

C. What is your age?

D. Do you agree that the new policy is beneficial?

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Correct Answer: Option D

Explanation:
It suggests that the policy is beneficial, leading the respondent to agree.

This question belongs to: Accountancy and Statistics Statistics

Question #2

Purchasing power of money is computed as:

A. Consumer Price Index / 100

B. 1 / Consumer Price Index

C. National Income / Price Index

D. Wholesale Price Index / Cost of Living Index

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Correct Answer: Option B

Explanation:
Purchasing power of money is the reciprocal of the price index; as prices rise, the value of money falls.

This question belongs to: Accountancy and Statistics Statistics

Question #3

Three machines produce 60%, 30%, 10% of items with defect rates 2%, 3%, 4%. If an item is defective, probability it came from the third machine is:

A. 0.04

B. 0.25

C. 0.10

D. 0.16

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Correct Answer: Option D

Explanation:
P(D) = 0.6×0.02 + 0.3×0.03 + 0.1×0.04 = 0.012+0.009+0.004=0.025. P(M3|D) = 0.004/0.025 = 0.16.

This question belongs to: Accountancy and Statistics Statistics

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