If P(A)=0.2 and P(B)=0.3, the minimum possible value of P(A∪B) is: MCQ with Answer and Explanation
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Question #1
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If events A and B are independent, which of the following is true regarding their complements A' and B'?
Correct Answer: Option D
Explanation:
A fundamental theorem of probability states that if A and B are independent, their complements A' and B' are also independent.
A fundamental theorem of probability states that if A and B are independent, their complements A' and B' are also independent.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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Wholesale Price Index (WPI) is primarily used by policymakers to monitor:
Correct Answer: Option B
Explanation:
WPI reflects price changes at the wholesale/producer level, serving as an early indicator of inflationary pressures in the production pipeline before they reach consumers via CPI.
WPI reflects price changes at the wholesale/producer level, serving as an early indicator of inflationary pressures in the production pipeline before they reach consumers via CPI.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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A box contains 5 defective and 15 non-defective items. Two items are drawn. The probability that both are non-defective is:
Correct Answer: Option A
Explanation:
P(both non-defective) = (15/20)×(14/19) = 210/380 = 21/38.
P(both non-defective) = (15/20)×(14/19) = 210/380 = 21/38.
This question belongs to:
Accountancy and Statistics
Statistics
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