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Webpage for Probability
Recent questions tagged probability
4
votes
2
answers
361
maths probability
A dice is tossed seven times. What is the probability that all six faces appear at least once?
A dice is tossed seven times. What is the probability that all six faces appear at least once?
jugnu1337
489
views
jugnu1337
asked
Aug 15, 2022
Probability
probability
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0
votes
1
answer
362
A First Course In Probability, 9th Edition, Indian Version, Sheldon Ross, Chapter 2, Problems, 18.
A deck consists of 52 playing cards which is well shuffled. Draw 6 cards. Find the probability that among the cards there will be a representative of all suits? can someone get to this answer –-→ 6283420/20358520
A deck consists of 52 playing cards which is well shuffled. Draw 6 cards. Find the probability that among the cards there will be a representative of all suits?can someon...
lolalo
462
views
lolalo
asked
Jul 28, 2022
Probability
probability
sheldon-ross
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1
votes
0
answers
363
maths
A deck of 5 cards (each carrying a distinct number from 1 to 5) is shuffled thoroughly. Two cards are then removed one at a time from the deck. What is the probability that the two cards are selected with the number on the first card being one higher than the number on the second card ?
A deck of 5 cards (each carrying a distinct number from 1 to 5) is shuffled thoroughly. Two cards are then removed one at a time from the deck. What is the probability th...
jugnu1337
265
views
jugnu1337
asked
Jul 19, 2022
Probability
discrete-mathematics
probability
+
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1
votes
1
answer
364
ISI Kolkata | MMA | 2022 --- A lie detector determines correctly ....
Picture of question
Picture of question
anupamsworld
549
views
anupamsworld
asked
Jun 6, 2022
Probability
isi
probability
engineering-mathematics
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1
votes
0
answers
365
ISI2020-PCB-10
Let $X_i\sim (i.i.d) Bernoulli(\frac{\lambda}{n}),n\geq\lambda\geq 0$. $Y_i\sim (i.i.d) Poisson(\frac{\lambda}{n})$, $\{X_i\}$ and $\{Y_i\}$ are independent. Let $\sum_{i=1}^{n^2} X_i=T_n$ and $\sum_{i=1}^{n^2} Y_i=S_n$ (say). Find the limiting distribution of $\frac{T_n}{S_n}$ as $n\to \infty$.
Let $X_i\sim (i.i.d) Bernoulli(\frac{\lambda}{n}),n\geq\lambda\geq 0$. $Y_i\sim (i.i.d) Poisson(\frac{\lambda}{n})$, $\{X_i\}$ and $\{Y_i\}$ are independent. Let $\sum_{i...
sd4867
241
views
sd4867
asked
May 6, 2022
Probability
probability
statistics
+
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4
votes
1
answer
366
Gate 2002 Question with a change.
A box contains 10 screws, 3 of which are defective. Two screws are drawn at random with out replacement. The probability that none of the two screws is defective will be .. This is a same question from Gate 2002, but it is having a small change, can anyone help me to find method to find it's answer.
A box contains 10 screws, 3 of which are defective. Two screws are drawn at random with out replacement. The probability that none of the two screws is defective will be ...
ProtonicRED
516
views
ProtonicRED
asked
Mar 8, 2022
Probability
probability
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0
votes
1
answer
367
TIFR 2011
There are N boxes, each containing at most r balls. If the number of boxes containing at least i balls is $N_{i}$ for i = 1,2,...r, then the total number of balls contained in these N boxes (A) is exactly equal to $N_{1}$ +$N_{2}$ +...+$N_{r}$. (B) is strictly ... ...+$N_{r}$. (C) is strictly smaller than $N_{1}$ +$N_{2}$ +...+$N_{r}$. (D) cannot be determined from the given information
There are N boxes, each containing at most r balls. If the number of boxes containing at least i balls is $N_{i}$ for i = 1,2,...r, then the total number of balls contain...
rsansiya111
758
views
rsansiya111
asked
Feb 24, 2022
Probability
probability
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1
votes
0
answers
368
GATE 2022
A box contains five balls of same size and shape. Three of them are green coloured balls and two of them are orange coloured balls. Balls are drawn from the box one at a time. If a green ball is drawn, it is not replaced. If an orange ball is drawn, it is replaced with another orange ... of getting an orange ball in the next draw? $\frac{1}2$ $\frac{19}{50}$ $\frac{23}{50}$ $\frac{8}{25}$
A box contains five balls of same size and shape. Three of them are green coloured balls and two of them are orange coloured balls. Balls are drawn from the box one at a ...
rsonx
675
views
rsonx
asked
Feb 24, 2022
Analytical Aptitude
probability
analytical-aptitude
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2
votes
1
answer
369
GATE CH 2022 | GA Question: 7
A game consists of spinning an arrow around a stationary disk as shown below. When the arrow comes to rest, there are eight equally likely outcomes. It could come to rest in any one of the sectors numbered $1, 2, 3,4, 5, 6, 7$ or $8$ as shown. Two such disks are used ... to 8 after the arrows come to rest? $\dfrac{1}{16}$ $\dfrac{5}{64}$ $\dfrac{3}{32}$ $\dfrac{7}{64}$
A game consists of spinning an arrow around a stationary disk as shown below. When the arrow comes to rest, there are eight equally likely outcomes. It could come to rest...
Arjun
356
views
Arjun
asked
Feb 15, 2022
Quantitative Aptitude
gatech-2022
quantitative-aptitude
probability
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6
votes
1
answer
370
GATE Electrical 2022 | GA Question: 5
The figure below shows the front and rear view of a disc, which is shaded with identical patterns. The disc is flipped once with respect to any one of the fixed axes $1 -1$, $2 -2$ or $3 -3$ chosen uniformly at random. What is the probability that the ... $0$ $\frac{1}{3}$ $\frac{2}{3}$ $1$
The figure below shows the front and rear view of a disc, which is shaded with identical patterns. The disc is flipped once with respect to any one of the fixed axes $1 -...
Arjun
798
views
Arjun
asked
Feb 15, 2022
Quantitative Aptitude
gate2022-ee
quantitative-aptitude
probability
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1
votes
1
answer
371
GATE Electrical 2022 | GA Question: 7
There are two identical dice with a single letter on each of the faces. The following six letters: $\text{Q, R, S, T, U}$ and $\text{V}$, one on each of the faces. Any of the six outcomes are equally likely. The two dice are thrown once independently at random. What is the ... $\text{V}$? $\frac{1}{4}$ $\frac{3}{4}$ $\frac{1}{6}$ $\frac{5}{36}$
There are two identical dice with a single letter on each of the faces. The following six letters: $\text{Q, R, S, T, U}$ and $\text{V}$, one on each of the faces. Any of...
Arjun
721
views
Arjun
asked
Feb 15, 2022
Quantitative Aptitude
gate2022-ee
quantitative-aptitude
probability
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18
votes
2
answers
372
GATE CSE 2022 | GA Question: 8
A box contains five balls of same size and shape. Three of them are green coloured balls and two of them are orange coloured balls. Balls are drawn from the box one at a time. If a green ball is drawn, it is not replaced. If an orange ball is drawn, it is replaced with ... an orange ball in the next draw? $\frac{1}{2}$ $\frac{8}{25}$ $\frac{19}{50}$ $\frac{23}{50}$
A box contains five balls of same size and shape. Three of them are green coloured balls and two of them are orange coloured balls. Balls are drawn from the box one at a ...
Arjun
9.8k
views
Arjun
asked
Feb 15, 2022
Quantitative Aptitude
gatecse-2022
quantitative-aptitude
probability
2-marks
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0
votes
0
answers
373
Probability
A survey was conducted with recent MBAs of two different universities about their annual incomes. The following table displays data collected. Annual Income University X University Y Total Under 8L 36 24 60 8L to 12L 109 56 165 12L and above 35 40 75 Total ... the probability that an MBA gets salary less than 8L? What is the probability that an MBA from university Y earns 10L annually?
A survey was conducted with recent MBAs of two different universities about their annual incomes. The following table displays data collected.Annual IncomeUniversity XUni...
__medhaa
528
views
__medhaa
asked
Feb 8, 2022
Probability
probability
conditional-probability
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2
votes
1
answer
374
GATE Overflow Test Series | Mock GATE | Test 6 | Question: 26
A fair die is thrown as long as necessary for $6$ to turn up. If the number of throws $(n)$ turns out to be odd, the probability that $n=5$ is ________ (rounded to $2$ decimal points)
A fair die is thrown as long as necessary for $6$ to turn up. If the number of throws $(n)$ turns out to be odd, the probability that $n=5$ is ________ (rounded to $2$ de...
Arjun
217
views
Arjun
asked
Jan 30, 2022
Probability
go2025-mockgate-6
numerical-answers
probability
conditional-probability
1-mark
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2
votes
1
answer
375
GATE Overflow Test Series | Mock GATE | Test 6 | Question: 27
A stick of length $10\;\text{m}$ is broken into two pieces, at a randomly chosen break point. The expected length of the shorter piece (in meters) is _______
A stick of length $10\;\text{m}$ is broken into two pieces, at a randomly chosen break point. The expected length of the shorter piece (in meters) is _______
Arjun
253
views
Arjun
asked
Jan 30, 2022
Probability
go2025-mockgate-6
numerical-answers
probability
expectation
uniform-distribution
1-mark
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4
votes
1
answer
376
GATE Overflow Test Series | Mock GATE | Test 6 | Question: 32
An unbiased coin is tossed repeatedly and its outcome is recorded. What is the expected number of trials to get a Head followed by a Tail? $6$ $5$ $4$ $3$
An unbiased coin is tossed repeatedly and its outcome is recorded. What is the expected number of trials to get a Head followed by a Tail?$6$$5$$4$$3$
Arjun
277
views
Arjun
asked
Jan 30, 2022
Probability
go2025-mockgate-6
probability
expectation
1-mark
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2
votes
1
answer
377
Applied Grand Test 10
The Netherlands is one of the world leaders in the production and sale of tulips. Suppose the heights of the tulips in the green house of rotterdams fantastic flora follow a continuous uniform distribution with lower bound of 7 inches and upper bound ... greater than 10 inches may be selected. What is the probability that a randomly selected tulip is tall enough to pick ____
The Netherlands is one of the world leaders in the production and sale of tulips. Suppose the heights of the tulips in the green house of rotterdams fantastic flora follo...
LRU
495
views
LRU
asked
Jan 27, 2022
Probability
test-series
engineering-mathematics
probability
uniform-distribution
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1
votes
0
answers
378
GATE Applied Mock Test
3 -1 1 2
3-112
yashpaneliya
564
views
yashpaneliya
asked
Jan 24, 2022
Probability
probability
normal-distribution
random-variable
variance
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0
votes
0
answers
379
(Closed) Probability, P&C doubt cleared
Question - If there is a bag that has 2 balls, with the colour of the balls being unknown, what is the probability that both turn out to be blue coloured balls? My doubt - which of the 2 following methods is correct and why : 1) Both balls can either ... : 0 blue balls, 1 blue ball or 2 blue balls as the order of balls doesn't matter here hence $\frac{1}{3}$
Question – If there is a bag that has 2 balls, with the colour of the balls being unknown, what is the probability that both turn out to be blue coloured balls?My doubt...
o
295
views
o
asked
Dec 30, 2021
Combinatory
combinatory
probability
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0
votes
1
answer
380
Applied Mock Test
Among individuals who have sustained head injuries, x-rays reveal that only about 6% have skull fractures. Nausea is a standard symptom of a skull fracture and occurs in 98% of all skull fracture cases with other types of head injuries, nausea is present ... an individual who has just suffered a head injury is not nauseous. Find the probability that he has a skull fracture _____
Among individuals who have sustained head injuries, x-rays reveal that only about 6% have skull fractures. Nausea is a standard symptom of a skull fracture and occurs in ...
LRU
396
views
LRU
asked
Dec 29, 2021
Probability
test-series
probability
engineering-mathematics
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0
votes
1
answer
381
Conditional Probability
The above-given problem is from MIT-OCW probability - https://tinyurl.com/25wamnxz There are two biased coins - A and B. The probability of choosing either coin is 0.5. Once the coins are chosen, we perform the experiment of tossing the coins as shown in the ... probability of (A | B) i.e. if we get 10 successive heads, then what is the probability that coin A was chosen?
The above-given problem is from MIT-OCW probability – https://tinyurl.com/25wamnxz There are two biased coins – A and B. The probability of choosing either coin is 0...
allSystemsDown
560
views
allSystemsDown
asked
Dec 26, 2021
Probability
probability
conditional-probability
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0
votes
1
answer
382
CMI-2021-Data Science
In the finale of the Indian Idol programme, Ladies Special, there are four women contestants - Arunima, Priyamani, Razi and Shriya. The organisers send all participants a list of 7 songs, asking each one to pick one song for the finale. All the four ... allowed to pick that song. This is agreed to. What is the probability that Shriya gets to sing the song Pyar Hua Chupkese?
In the finale of the Indian Idol programme, Ladies Special, there are four women contestants — Arunima, Priyamani, Razi and Shriya. The organisers send all participants...
rsansiya111
457
views
rsansiya111
asked
Dec 9, 2021
Probability
probability
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–
0
votes
1
answer
383
CMI-2021-Data Science
rsansiya111
232
views
rsansiya111
asked
Dec 9, 2021
Probability
probability
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–
1
votes
1
answer
384
CMI-2021-Data Science
rsansiya111
285
views
rsansiya111
asked
Dec 9, 2021
Probability
probability
+
–
2
votes
1
answer
385
Applied Test Series
A final exam is a discrete mathematics course consisting of 20 true-false questions, each worth 3 points and 10 multiple choice questions, each worth 4 points. Suppose that the probability that a student gives a correct answer to a true-false question is ... student gives a correct answer to a multiple choice question is 0.8. What is student expected score on the final exam___
A final exam is a discrete mathematics course consisting of 20 true-false questions, each worth 3 points and 10 multiple choice questions, each worth 4 points. Suppose th...
LRU
552
views
LRU
asked
Nov 7, 2021
Probability
test-series
engineering-mathematics
probability
expectation
+
–
2
votes
2
answers
386
Applied Test Series
A large bowl contains 15 balls that are identical except for their colors 6 are colored red, 5 are colored blue and 4 are colored green. What is the probability that two balls selected at random from the bowl have the same color_____
A large bowl contains 15 balls that are identical except for their colors 6 are colored red, 5 are colored blue and 4 are colored green. What is the probability that two ...
LRU
387
views
LRU
asked
Nov 5, 2021
Probability
test-series
engineering-mathematics
probability
+
–
1
votes
1
answer
387
TIFR CSE 2021 | Part A | Question: 4
What is the probability that at least two out of four people have their birthdays in the same month, assuming their birthdays are uniformly distributed over the twelve months? $\frac{25}{48}$ $\frac{5}{8}$ $\frac{5}{12}$ $\frac{41}{96}$ $\frac{55}{96}$
What is the probability that at least two out of four people have their birthdays in the same month, assuming their birthdays are uniformly distributed over the twelve mo...
soujanyareddy13
1.0k
views
soujanyareddy13
asked
Mar 25, 2021
Probability
tifr2021
probability
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–
1
votes
1
answer
388
TIFR CSE 2021 | Part A | Question: 5
Let $n, m$ and $k$ be three positive integers such that $n \geq m \geq k$. Let $S$ be a subset of $\left \{ 1, 2,\dots, n \right \}$ of size $k$. Consider sampling a function $f$ uniformly at random from the set of all functions mapping $\left \{ 1,\dots, n \right \}$ ... $1-\frac{k!\binom{n}{k}}{n^{k}}$ $1-\frac{k!\binom{n}{k}}{m^{k}}$
Let $n, m$ and $k$ be three positive integers such that $n \geq m \geq k$. Let $S$ be a subset of $\left \{ 1, 2,\dots, n \right \}$ of size $k$. Consider sampling a func...
soujanyareddy13
587
views
soujanyareddy13
asked
Mar 25, 2021
Set Theory & Algebra
tifr2021
set-theory&algebra
functions
probability
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