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Recent questions tagged probability

Recent questions tagged probability
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Sampling and Sampling Distributions pg 32, exercise 2.6
Minoli Oshani asked in Mathematical Logic Aug 16, 2021
by Minoli Oshani
5 points
20 views
0 votes
0 answers 77 views
Sample question for Mtech AI entrance test.
Let a biased coin be tossed n times in succession, with the probability of heads being p. The probability that all the tosses show the same face is.
Mech_guy asked in Probability Jul 1, 2021
by Mech_guy
5 points
77 views
0 votes
0 answers 33 views
TIFR 2019
Consider a coin which comes up with heads with probability p and tails with probability 1-p, where 0 < p < 1. Suppose we keep tossing the coin until we have seen both sides of coin. What is expected number of times we would have seen tails? (Hint : the expected number of tosses required to see heads for the first time 1/p)
Aashay kaurav asked in Probability Jun 26, 2021
by Aashay kaurav
5 points
33 views
1 vote
0 answers 36 views
Applied Gate Test
A chair car compartment has 16 chairs in a row and 12 people randomly take up a chair each and the next person comes up with additional luggage which requires him to have two adjacent chairs. The probability that the 13th person is able to sit on the same row is ? A) 11/20 B) 4/7 C) 81/140 D) 17/28
Dheeraj Varma asked in Mathematical Logic Jun 26, 2021
by Dheeraj Varma
27 points
36 views
0 votes
1 answer 52 views
A First Course in Probability by Sheldon Ross Chapter 1
Parag Tamhankar asked in Combinatory May 15, 2021
by Parag Tamhankar
5 points
52 views
1 vote
0 answers 160 views
IIT Gandhinagar Written Test Probability Question
There are 100 rooms in a hotel. The hotel manager is lazy. When a customer requests a room, the manager picks a room from 1 to 100 uniformly at random without even bothering to check whether it is already occupied. If the room is already ... try to check in, one by one, to the hotel. Show that the expected number of occupants is at least 50.
Subham Das asked in Probability May 12, 2021
by Subham Das
11 points
160 views
0 votes
1 answer 41 views
East Africa University Second Semester Probability and statistics 2020
vanso 254 asked in Revision Mar 7, 2021
by vanso 254
5 points
41 views
0 votes
0 answers 28 views
Which books should i refer for learning distributions in probability?
kaleen bhaiya asked in Probability Mar 4, 2021
by kaleen bhaiya
9 points
28 views
1 vote
0 answers 49 views
DRDO 2020 computer science descriptive exam
Consider a binomial experiment of flipping a biased coin five times with probability of head ,p=0.75 and probability of tail q=0.25 in each flip. What is the probability that last two flips will be heads if the first three flips are known to be tails ?
rapidxy asked in Probability Feb 25, 2021
by rapidxy
9 points
49 views
0 votes
0 answers 858 views
GATE CSE 2021 Set 2 | Question: 29 | Video Solution
Arjun asked in Probability Feb 18, 2021
by Arjun
1.4k points
858 views
0 votes
0 answers 1.4k views
GATE CSE 2021 Set 2 | Question: 33 | Video Solution
Arjun asked in Probability Feb 18, 2021
by Arjun
1.4k points
1.4k views
0 votes
0 answers 589 views
GATE CSE 2021 Set 1 | Question: 35 | Video Solution
Arjun asked in Probability Feb 18, 2021
by Arjun
1.4k points
589 views
0 votes
0 answers 57 views
Previous year question
In this previous year question https://gateoverflow.in/179371/, can someone PLEASE explain why is it wrong to say that if i have probability of success = $\frac{1}{26^{10}}$ ... ? Please give a proper reason like, the reason why we can't say the answer is B is because checking is a dependent event.
reboot asked in Probability Jan 9, 2021
by reboot
5 points
57 views
0 votes
1 answer 90 views
What is the actual formula for the efficiency in CSMA/CD?
HitechGa asked in Computer Networks Dec 8, 2020
by HitechGa
9 points
90 views
0 votes
0 answers 49 views
Probability NCERT Book Doubt
The probability of number of defectives in a lot is 35%. There are 4 items taken out with replacement. Find the probability that none of the items are defective?
Dheera asked in Probability Nov 30, 2020
by Dheera
-8 points
49 views
0 votes
0 answers 59 views
Bayes Theorem self doubt
A card from a pack of 52 cards is lost. From the remaining cards of the pack, two cards are drawn and are found to be both diamonds. Find the probability of the lost card being a diamond.
Dheera asked in Probability Nov 27, 2020
by Dheera
-8 points
59 views
1 vote
1 answer 103 views
Gravner Probability Exercise
Mellophi asked in Probability Sep 7, 2020
by Mellophi
363 points
103 views
0 votes
1 answer 46 views
What are the relevant chapter in Gravner for Probability ?
Raj_81 asked in Probability Jun 26, 2020
by Raj_81
27 points
46 views
0 votes
0 answers 23 views
GATE2012-33 Video Solution
Suppose a fair six-sided die is rolled once. If the value on the die is $1, 2,$ or $3,$ the die is rolled a second time. What is the probability that the sum total of values that turn up is at least $6$ ? $\dfrac{10}{21}$ $\dfrac{5}{12}$ $\dfrac{2}{3}$ $\dfrac{1}{6}$
admin asked in Probability Apr 18, 2020
by admin
589 points
23 views
0 votes
0 answers 23 views
GATE2012 CY: GA-7 Video Solution
$A$ and $B$ are friends. They decide to meet between 1:00 pm and 2:00 pm on a given day. There is a condition that whoever arrives first will not wait for the other for more than $15$ minutes. The probability that they will meet on that day is $1/4$ $1/16$ $7/16$ $9/16$
admin asked in Numerical Ability Apr 18, 2020
by admin
589 points
23 views
0 votes
0 answers 26 views
GATE2007-IT-58 Video Solution
A demand paging system takes $100$ time units to service a page fault and $300$ time units to replace a dirty page. Memory access time is $1$ time unit. The probability of a page fault is $p$ ... the average access time is $3$ time units. Then the value of $p$ is $0.194$ $0.233$ $0.514$ $0.981$
admin asked in Operating System Apr 18, 2020
by admin
589 points
26 views
0 votes
0 answers 29 views
GATE2007-IT-28 Video Solution
Consider a hash function that distributes keys uniformly. The hash table size is $20$. After hashing of how many keys will the probability that any new key hashed collides with an existing one exceed $0.5$. $5$ $6$ $7$ $10$
admin asked in DS Apr 18, 2020
by admin
589 points
29 views
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