If P(A) = 0.6, P(B) = 0.7, and P(A ∪ B) = 0.9, then P(A ∩ B) is: MCQ with Answer and Explanation
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Question #1
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For any two events A and B, P(A∪B) is:
Correct Answer: Option D
Explanation:
By the addition rule, P(A∪B) ≤ P(A)+P(B), and probability of any event is ≤1.
By the addition rule, P(A∪B) ≤ P(A)+P(B), and probability of any event is ≤1.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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A frequency distribution with classes 10-20, 20-30, 30-40 … is called:
Correct Answer: Option A
Explanation:
The upper limit of a class is the lower limit of the next; an observation equal to the upper limit goes to the next class.
The upper limit of a class is the lower limit of the next; an observation equal to the upper limit goes to the next class.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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The value that appears maximum number of times in a data set is called:
Correct Answer: Option A
Explanation:
Mode is the most frequent value.
Mode is the most frequent value.
This question belongs to:
Accountancy and Statistics
Statistics
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