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प्रश्न
Choose the correct alternative:
If two events A and B are independent such that P(A) = 0.35 and P(A ∪ B) = 0.6, then P(B) is
पर्याय
`5/13`
`1/13`
`4/13`
`7/13`
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उत्तर
`5/13`
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संबंधित प्रश्न
40% students of a college reside in hostel and the remaining reside outside. At the end of the year, 50% of the hostelers got A grade while from outside students, only 30% got A grade in the examination. At the end of the year, a student of the college was chosen at random and was found to have gotten A grade. What is the probability that the selected student was a hosteler ?
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Read the following passage:
|
Recent studies suggest the roughly 12% of the world population is left-handed.
Assuming that P(A) = P(B) = P(C) = P(D) = `1/4` and L denotes the event that child is left-handed. |
Based on the above information, answer the following questions:
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- Find `P(overlineL/A)` (1)
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OR
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Compute P(A|B), if P(B) = 0.5 and P (A ∩ B) = 0.32.
