In a class of 100 students, 60 play cricket, 50 play football, and 30 play both. Probability a random student plays neither is: MCQ with Answer and Explanation

In a class of 100 students, 60 play cricket, 50 play football, and 30 play both. Probability a random student plays neither is:

A. 0.4

B. 0.3

C. 0.2

D. 0.1

Answer: Option C

P(C∪F) = 60+50-30 = 80. Playing neither = 100 - 80 = 20; probability = 20/100 = 0.2.

This question belongs to: Accountancy and Statistics Statistics

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Question #1 Report Error

In the theory of attributes, the class frequency (Aβ) represents:

A. Number possessing A but not B

B. Number possessing neither

C. Number not possessing A but possessing B

D. Number possessing A and B

Correct Answer: Option A

Explanation:
β indicates absence of B; (Aβ) = items with A and without B.

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

A major disadvantage of secondary data is:

A. May not suit the present research objective

B. Originality

C. High cost

D. Time consuming

Correct Answer: Option A

Explanation:
Secondary data was collected for a different purpose; definitions and coverage may differ.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

Which part of a statistical table provides an explanation of the abbreviations or symbols used in the table?

A. Footnote

B. Headnote

C. Title

D. Stub

Correct Answer: Option A

Explanation:
Footnotes are placed at the bottom of the table to clarify any specific entries, symbols, or abbreviations.

This question belongs to: Accountancy and Statistics Statistics