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Recent questions tagged probability

1 votes
1 answer
1052
Probablity
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0 votes
1 answer
1053
Random selection
6 numbers are randomly selected between 1 and 100. What is the probability that all are distinct
6 numbers are randomly selected between 1 and 100. What is the probability that all are distinct
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2 votes
1 answer
1056
Hashing
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5 votes
2 answers
1057
Max heap
A level of a max heap (containing 100 nos) is choosen randomly, on its selection, a node from the same level is choosen randomly. What is the probability that it is the 36th smallest element
A level of a max heap (containing 100 nos) is choosen randomly, on its selection, a node from the same level is choosen randomly. What is the probability that it is the 3...
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2 votes
2 answers
1058
UGC NET CSE | August 2016 | Part 3 | Question: 54
An experimental file server is up $75$% of the time and down for $25$% of the time due to bugs. How many times does this file server have to be replicated to give an availability of at least $99$% ? $2$ $4$ $8$ $16$
An experimental file server is up $75$% of the time and down for $25$% of the time due to bugs. How many times does this file server have to be replicated to give an avai...
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0 votes
1 answer
1063
Expected Value #sheldon and ross
If n balls are randomly selected from an urn containing N balls of which m are white,find the expected number of white balls selected.
If n balls are randomly selected from an urn containing N balls of which m are white,find the expected number of white balls selected.
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5 votes
3 answers
1064
Expectated no of coin toss
An unbiased coin is tossed repeatedly and outcomes are recorded. What is the expected no of toss to get HT ( one head and one tail consecutively) ?
An unbiased coin is tossed repeatedly and outcomes are recorded. What is the expected no of toss to get HT ( one head and one tail consecutively) ?
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0 votes
2 answers
1065
UGC NET CSE | August 2016 | Part 2 | Question: 4
What is the probability that a randomly selected bit string of length 10 is a palindrome ? $\frac{1}{64}$ $\frac{1}{32}$ $\frac{1}{8}$ $\frac{1}{4}$
What is the probability that a randomly selected bit string of length 10 is a palindrome ?$\frac{1}{64}$$\frac{1}{32}$$\frac{1}{8}$$\frac{1}{4}$
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2 votes
1 answer
1067
Probability Distribution
In cartesian co-ordinate system,along the x axis two points p and q are selected uniformly at random in $\left [ 0,L \right ]$ where L > 0. What is the probability of $\text{distance(p,q)} \leq \frac{L}{4}$.
In cartesian co-ordinate system,along the x axis two points p and q are selected uniformly at random in $\left [ 0,L \right ]$ where L 0.What is the probability of $\tex...
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1 votes
3 answers
1068
Probability Expectaiton
A box contain 2 red balls and 3 white balls. The random experiment is picking two balls from the box. When 2 white balls picked, the balls will be replaced and experiment repeated. Otherwise stop the experiment. What is the expected number of repetations?
A box contain 2 red balls and 3 white balls. The random experiment is picking two balls from the box. When 2 white balls picked, the balls will be replaced and experiment...
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1 votes
2 answers
1070
Hashing
A hash table of length 100 uses chaining. WHat is the probability that all the values are hashed inti the same slot after 5 intersections? 5/100$^5$ 1/100$^4$ 1/100$^5$ None of these
A hash table of length 100 uses chaining. WHat is the probability that all the values are hashed inti the same slot after 5 intersections?5/100$^5$1/100$^4$1/100$^5$None ...
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1 votes
4 answers
1072
UGC NET CSE | December 2011 | Part 2 | Question: 49
What is the probability of choosing correctly an unknown integer between $0$ and $9$ with $3$ chances ? $\frac{963}{1000}$ $\frac{973}{1000}$ $\frac{983}{1000}$ $\frac{953}{1000}$
What is the probability of choosing correctly an unknown integer between $0$ and $9$ with $3$ chances ?$\frac{963}{1000}$$\frac{973}{1000}$$\frac{983}{1000}$$\frac{953}{1...
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4 votes
2 answers
1076
probability
A bag contains 12 pairs of socks .four socks are picked up at random.Find the probability that there is at least one pair
A bag contains 12 pairs of socks .four socks are picked up at random.Find the probability that there is at least one pair
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4 votes
1 answer
1077
probability
Two intergers are chosen at random and multiplied. Find the probability that the product is even integer.
Two intergers are chosen at random and multiplied. Find the probability that the product is even integer.
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1 votes
4 answers
1078
GATE Overflow | Mathematics | Test 1 | Question: 8
If the proposition $\neg P \to Q$ is true, then the truth value of the proposition $\neg P \vee ( P \to Q)$ is True Multi-valued False Can not be determined
If the proposition $\neg P \to Q$ is true, then the truth value of the proposition $\neg P \vee ( P \to Q)$ isTrue Multi-valued False Can no...
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1 votes
2 answers
1079
GATE Overflow | Mathematics | Test 1 | Question: 6
The probability of occurrence of an event $B$ is $P$, The probability that events $A$ and $B$ occur together is $Q$. The probability that $A$ occurs without $B$ occuring is $R$. Then the probability of $A$ occuring is $P +Q + R$ $P+Q-R$ $Q +R$ $P -Q -R$
The probability of occurrence of an event $B$ is $P$, The probability that events $A$ and $B$ occur together is $Q$. The probability that $A$ occurs without $B$ occuring ...
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3 votes
3 answers
1080
conditional probability
A box contains 10 mangoes out of which 4 are rotten .Two mangoes are taken out together. If one of them is found to be good ,then find the probability other is also good
A box contains 10 mangoes out of which 4 are rotten .Two mangoes are taken out together. If one of them is found to be good ,then find the probability other is also good...
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