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Undergraduate
By
Shiva Kintali
on May 21, 2014 | Updated Jan. 4, 2018
99 fair coins
Person \(A\) flips 99 fair coins and obtains \(a\) heads. Person \(B\) flips 100 fair coins and obtains \(b\) heads. What is the probability that \(a < b\) ?
Mathematics
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conditional probability
interview question
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High School
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True IITJEE
on Jan. 9, 2017 | Updated Jan. 3, 2018
JEE Advanced 2016 Paper 1 Mathematics Question 40
A computer producing factory has only two plants \(T_1\) and \(T_2\). Plant \(T_1\) produces 20% and plant \(T_2\) produces 80% of the total computers produced. 7% of computers produced in the factory…
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conditional probability
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Undergraduate
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Shiva Kintali
on May 22, 2013 | Updated Dec. 6, 2017
Basics of probability
Prove that, if \(E_1, E_2, \dots, E_n\) are mutually independent, then so are \(\overline{E_1}, \overline{E_2}, \dots, \overline{E_n}\) Give an example of three random events \(X,Y,Z\) for which any …
Mathematics
Probability
basics
conditional probability
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Undergraduate
By
Shiva Kintali
on May 19, 2013 | Updated Dec. 6, 2017
Detecting fair coin
You are given two coins: one is a fair coin and the other is a biased coin that produces heads with probability 3/4. One of the two coins is picked, and is tossed \(n\) times. How many tosses suffic…
Mathematics
Probability
conditional probability
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