In probability, an event that contains all possible outcomes is called: MCQ with Answer and Explanation

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In probability, an event that contains all possible outcomes is called:

A. Simple event

B. Null event

C. Impossible event

D. Sure event

Answer: Option D

Solution (By JKSSB Mock Tests)

Sure event equals the sample space, P = 1.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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Consider the following statements about primary data: 1. It is collected directly by the investigator. 2. It is always more reliable than secondary data. 3. It is economical in terms of time and cost. Which of the statements is/are correct?

A. 1 and 3 only

B. 1 and 2 only

C. 2 only

D. 1 only

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Correct Answer: Option D

Explanation:
Primary data is collected firsthand (1 correct). It is not necessarily more reliable than secondary data, and it is more expensive and time-consuming (2,3 false).

This question belongs to: Accountancy and Statistics Statistics