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The probability of getting qualified in IIT-JEE and AIEEE by a student are respectively 1/5 and 3/5. The probability that the student getting qualified for atleast one of two tests is?
Most Upvoted Answer
The probability of getting qualified in IIT-JEE and AIEEE by a student...
Solution:

Given, the probability of getting qualified in IIT-JEE = 1/5
And, the probability of getting qualified in AIEEE = 3/5

We need to find the probability that the student gets qualified for at least one of the two tests.

Method 1: Using Complementary Probability

The probability that the student does not get qualified in both the tests can be found using the multiplication rule of probability:
P(not getting qualified in IIT-JEE and AIEEE) = P(not getting qualified in IIT-JEE) × P(not getting qualified in AIEEE)
= (4/5) × (2/5)
= 8/25

Therefore, the probability that the student gets qualified for at least one of the two tests is:
P(getting qualified in at least one test) = 1 - P(not getting qualified in both tests)
= 1 - 8/25
= 17/25

Method 2: Using the Addition Rule of Probability

The probability that the student gets qualified in either IIT-JEE or AIEEE or both can be found using the addition rule of probability:
P(getting qualified in IIT-JEE or AIEEE or both) = P(getting qualified in IIT-JEE) + P(getting qualified in AIEEE) - P(getting qualified in both)
= (1/5) + (3/5) - [(1/5) × (3/5)]
= 4/5

Therefore, the probability that the student gets qualified for at least one of the two tests is:
P(getting qualified in at least one test) = 4/5

Conclusion:

Hence, the probability that the student gets qualified for at least one of the two tests is either 17/25 or 4/5 depending on the method used.
Community Answer
The probability of getting qualified in IIT-JEE and AIEEE by a student...
P(atleast 1)
= 1 - P(none)
= 1 - [P( not JEE) × P( not AIEEE)]
= 1 - (4/5 × 2/5)
= 1 - 8/25
= 17/25
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The probability of getting qualified in IIT-JEE and AIEEE by a student are respectively 1/5 and 3/5. The probability that the student getting qualified for atleast one of two tests is?
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The probability of getting qualified in IIT-JEE and AIEEE by a student are respectively 1/5 and 3/5. The probability that the student getting qualified for atleast one of two tests is? for CA Foundation 2024 is part of CA Foundation preparation. The Question and answers have been prepared according to the CA Foundation exam syllabus. Information about The probability of getting qualified in IIT-JEE and AIEEE by a student are respectively 1/5 and 3/5. The probability that the student getting qualified for atleast one of two tests is? covers all topics & solutions for CA Foundation 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The probability of getting qualified in IIT-JEE and AIEEE by a student are respectively 1/5 and 3/5. The probability that the student getting qualified for atleast one of two tests is?.
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