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Recent questions tagged probability

1 votes
1 answer
782
Mathematics GATE 2018 EC: 23
Let $X_1$, $X_2$, $X_3$, and $X_4$ be independent normal random variables with zero mean and unit variance. The probability that $X_4$ is the smallest among the four is _______ .
Let $X_1$, $X_2$, $X_3$, and $X_4$ be independent normal random variables with zero mean and unit variance. The probability that $X_4$ is the smallest among the four is _...
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0 votes
1 answer
784
Naive Bayes Algorithm
What is the step by step procedure to apply algorithms like Decision Tree, Naive Bayes, etc... on a dataset using Python?
What is the step by step procedure to apply algorithms like Decision Tree, Naive Bayes, etc... on a dataset using Python?
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0 votes
0 answers
793
Testbook
Which of the following is false? 1. P(A ^ B) >= P(A) + P(B) - 1 2. If P(B) > 0 then P(A/B) >= P(A) Answer with a reason for both options.
Which of the following is false?1. P(A ^ B) >= P(A) + P(B) - 12. If P(B) 0 then P(A/B) >= P(A)Answer with a reason for both options.
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2 votes
2 answers
794
Probability Doubt
What is the difference between Independent Events and Disjoint Events?
What is the difference between Independent Events and Disjoint Events?
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2 votes
0 answers
796
Probability
Is my solution right? Kindly help.. thanks
Is my solution right? Kindly help.. thanks
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1 votes
1 answer
798
Z-score Probability Calculation
Pr( Z > 0 ) = ?? How to calculate it? Ans is 0.5. Do we use standard normal variate(Z) table? Do GATE provide such table?
Pr( Z 0 ) = ??How to calculate it? Ans is 0.5. Do we use standard normal variate(Z) table? Do GATE provide such table?
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3 votes
0 answers
801
Probability
The keys 1,2,3,.., n are inserted randomly into a binary search tree. What is the probability that subtree of root contains exactly n-2 keys ? A. 1/n2 B. 1/n C. 1/(n+1) D. (n-2)/n
The keys 1,2,3,.., n are inserted randomly into a binary search tree. What is the probability that subtree of root contains exactly n-2 keys ?A. 1/n2B. 1/nC. 1/(n+1)D. (...
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1 votes
1 answer
803
gateforum test series
answer given is : 0.153
answer given is : 0.153
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5 votes
0 answers
806
hashing
Consider a hash table with 10 slots. Collisions are resolved using linear probing. The probability that if first 3 slots are unfilled and 4th insertions leads to a collisions
Consider a hash table with 10 slots. Collisions are resolved using linear probing. The probability that if first 3 slots are unfilled and 4th insertions leads to a collis...
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3 votes
0 answers
809
Probability
A fair die is rolled thrice and the random variable X records the number of different outcomes that result. For example, if two 6's and one 3's are rolled, then X records two different outcomes. What is the variance of X?
A fair die is rolled thrice and the random variable X records the number of different outcomes that result. For example, if two 6's and one 3's are rolled, then X records...
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1 votes
0 answers
810
Self Doubt
An unbiased coin is tossed repeatedly until the outcome of two successive tosses is the same. Assuming that the trials are independent, the expected number of tosses is ________?
An unbiased coin is tossed repeatedly until the outcome of two successive tosses is the same. Assuming that the trials are independent, the expected number of tosses is _...
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