Comprehension
A survey was conducted to find out the success rate of students who qualified the entrance examination by dropping a year after class XII.
As per the data collected, 40% students appearing in the examination were dropouts and the remaining students were regular students of class XII. Of the dropouts, 5% qualify the examination while 10% of the regular students qualify the examination.
Question: 1
Find the probability that a student selected at random is a regular
student.
Find the probability that a student selected at random is a regular
student.
Updated On: Jul 4, 2026
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Question: 2
What is the probability that the student will not qualify the
examination ?
What is the probability that the student will not qualify the
examination ?
Updated On: Jul 4, 2026
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Question: 3
A student selected at random qualified the examination. Find
the probability that student is not a dropout.
A student selected at random qualified the examination. Find
the probability that student is not a dropout.
Updated On: Jul 4, 2026
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Question: 4
A student selected at random did not qualify the examination.
Find the probability that the student was a regular student.
A student selected at random did not qualify the examination.
Find the probability that the student was a regular student.
Updated On: Jul 4, 2026
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Solution and Explanation
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