In a survey, 40% like tea, 60% like coffee, and 20% like both. The percentage who like neither is: MCQ with Answer and Explanation

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In a survey, 40% like tea, 60% like coffee, and 20% like both. The percentage who like neither is:

A. 80%

B. 60%

C. 20%

D. 0%

Answer: Option C

Solution (By JKExamLibrary)

P(T∪C)=40+60-20=80%, so neither = 100-80 = 20%.

This question belongs to: Accountancy and Statistics Statistics

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A questionnaire is different from a schedule in that:

A. Questionnaire is self-administered by the respondent

B. Questionnaire is filled by the enumerator

C. There is no difference

D. Schedule is filled by the respondent

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Correct Answer: Option A

Explanation:
A questionnaire is filled by the informant; a schedule by the enumerator.

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A census collects data on:

A. Only urban population

B. Sample of population

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D. Entire population

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Correct Answer: Option D

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WPI basket does not include:

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B. Primary articles

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D. Services

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Correct Answer: Option D

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