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Recent questions and answers in Probability
0
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1
answer
1
What is the probability that a five-card poker hand contains the two of diamonds, the three of spades, the six of hearts, the ten of clubs, and the king of hearts?
venturekin
answered
in
Probability
14 hours
ago
by
venturekin
28
views
probability
1
vote
1
answer
2
canvas
The weight of a light bulb has an average of 12.5 grs. with a standard deviation of 2. Assume the variable is normally distributed. If an inspector select randomly a sample of 30 bulbs ¿what is the probability of the weight of one bulb falls between 10 and 15 grs.?
Bharat Bhushan
answered
in
Probability
Mar 11
by
Bharat Bhushan
96
views
probability
normal-distribution
3
votes
4
answers
3
The probability of solving a problem by three students X,Y,Z are 1/4,3/7and 2/9 respectively. if all of them try independently then the probability that the problem could not be solved is a)1/3 b)1/4 c)1/5 d) 2/5 e) 3/7
Bharat Bhushan
answered
in
Probability
Mar 10
by
Bharat Bhushan
2.3k
views
probability
0
votes
2
answers
4
A fair coin is tossed 100 times. The Probability of getting 50 heads is close to one of the following numbers: a) 0.001 b)0.1 c)0.3 d)0.4
Bharat Bhushan
answered
in
Probability
Mar 10
by
Bharat Bhushan
721
views
engineering-mathematics
probability
0
votes
1
answer
5
The failure distribution is defined by f(t) = .0≤t≤1000 hr. (a) What is the probability of failure within 100hr warranty period? (b) Compute the MTTF.
Bharat Bhushan
answered
in
Probability
Mar 5
by
Bharat Bhushan
100
views
probability
1
vote
1
answer
6
GATE CSE 2023 | Question: 43
Consider a random experiment where two fair coins are tossed. Let $A$ be the event that denotes $\text{HEAD}$ on both the throws, $B$ be the event that denotes $\text{HEAD}$ on the first throw, and $C$ be the event that denotes $\text{HEAD}$ on the ... . $A$ and $C$ are independent. $B$ and $C$ are independent. $\operatorname{Prob}(B \mid C)=\operatorname{Prob}(B)$
speedflyer
answered
in
Probability
Mar 5
by
speedflyer
915
views
gatecse-2023
probability
independent-events
multiple-selects
2-marks
0
votes
0
answers
7
Test series
A bag contains four balls. Two balls are drawn and found them to be white. The probability that all the balls are white is 1/2 3/5 1/4 4/6
[ Jiren ]
asked
in
Probability
Feb 20
by
[ Jiren ]
124
views
probability
test-series
1
vote
0
answers
8
DRDO CSE 2022 Paper 1 | Question: 5 (b)
Consider rolling of a dice experiment. Let $\text{A}$ be the event of getting an even number and $\mathrm{B}$ be the event of getting a prime number. Write the sets representing the following events. $\mathrm{A}$ and $\mathrm{B}$
admin
asked
in
Probability
Jan 26
by
admin
137
views
drdocse-2022-paper1
probability
1-mark
descriptive
1
vote
0
answers
9
DRDO CSE 2022 Paper 1 | Question: 5 (c)
Consider rolling of a dice experiment. Let $\text{A}$ be the event of getting an even number and $\mathrm{B}$ be the event of getting a prime number. Write the sets representing the following events. not $\text{B}$
admin
asked
in
Probability
Jan 26
by
admin
43
views
drdocse-2022-paper1
probability
1-mark
descriptive
2
votes
1
answer
10
Variance of X in envelope question
Three letters are placed into three addressed envelopes randomly. A random variable X denotes the number of letters placed into corresponding envelopes. The variance of X is __________.
Johnny1001
answered
in
Probability
Jan 15
by
Johnny1001
112
views
probability
discrete-mathematics
31
votes
4
answers
11
GATE CSE 1999 | Question: 1.1
Suppose that the expectation of a random variable $X$ is $5$. Which of the following statements is true? There is a sample point at which $X$ has the value $5$. There is a sample point at which $X$ has value greater than $5$. There is a sample point at which $X$ has a value greater than equal to $5$. None of the above.
ChayAdhiraj
answered
in
Probability
Jan 8
by
ChayAdhiraj
7.1k
views
gate1999
probability
expectation
easy
1
vote
0
answers
12
Made Easy Full Syllabus Test 3 Probability
can anyone verify if options are correct i am not satisfied with the solution given.
Raviwarlord
asked
in
Probability
Jan 4
by
Raviwarlord
189
views
made-easy-test-series
engineering-mathematics
probability
0
votes
1
answer
13
Made Easy Mock -1
how to approach this question?
Kabir5454
answered
in
Probability
Dec 30, 2022
by
Kabir5454
289
views
numerical-answers
made-easy-test-series
probability
expectation
1
vote
0
answers
14
DRDO CSE 2022 Paper 1 | Question: 5 (a)
Consider rolling of a dice experiment. Let $\text{A}$ be the event of getting an even number and $\mathrm{B}$ be the event of getting a prime number. Write the sets representing the following events. $\mathrm{A}$ or $\mathrm{B}$
admin
asked
in
Probability
Dec 15, 2022
by
admin
69
views
drdocse-2022-paper1
probability
1-mark
descriptive
1
vote
0
answers
15
DRDO CSE 2022 Paper 1 | Question: 7
Let $T$ be a subset of $\{1,2, \ldots, n\}$ of size $\frac{n}{2}$, sampled uniformly at random from all subsets of size $\frac{n}{2}$ of the same set $\{1,2, \ldots, n\}$. Let $S \subseteq\{1,2, \ldots, n\}$ be an arbitrary subset of size $\frac{n}{2}$. What is the probability that $|S \cap T|=\frac{n}{4}$.
admin
asked
in
Probability
Dec 15, 2022
by
admin
51
views
drdocse-2022-paper1
probability
uniform-distribution
6-marks
descriptive
1
vote
1
answer
16
Probability Doubt
The expected number of times a 6 appears when a fair die is rolled 10 times is equal to?
Shoto
answered
in
Probability
Dec 10, 2022
by
Shoto
224
views
probability
expectation
1
vote
1
answer
17
Probability Distribution
Let X have a Poisson distribution with parameter λ = 1. What is the probability that X ≥ 2 given that X ≤ 4?
Sunnidhya Roy
answered
in
Probability
Nov 25, 2022
by
Sunnidhya Roy
271
views
probability
engineering-mathematics
poisson-distribution
3
votes
1
answer
18
Conditional Probability
English and American spelling are rigour and rigor, respectively. A man staying at Al Rashid hotel writes this word, and a letter taken at random from his spelling is found to be a vowel. If 40 percent of the English-speaking men at the hotel are English and 60 percent are American, what is the probability that the writer is an Englishman?
DebRC
answered
in
Probability
Nov 25, 2022
by
DebRC
243
views
conditional-probability
probability
engineering-mathematics
2
votes
1
answer
19
TIFR CS & SS 2018 SS part Question 12
Suppose that Amitabh Bachchan has ten coins in his pocket. 3 coins have tails on both sides. 4 coins have heads on both sides. 3 coins have heads on one side and tails on the other and both the outcomes are equally likely when that coin is ... coins, flips it and finds that the outcome is tails. What is the probability that the other side of this coin is heads?
Shubhodeep
answered
in
Probability
Nov 22, 2022
by
Shubhodeep
169
views
probability
conditional-probability
0
votes
2
answers
20
TIFR CSE 2022 | Part A | Question: 2
We would like to invite a minimum number $n$ of people (their birthdays are independent of each other) to a party such that the expected number of pairs of people that share the same birthday is at least $1.$ What should $n$ be? (Ignore leap years, so ... birthdays fall with equal probability on each of the $365$ days of the year.) $23$ $28$ $92$ $183$ $366$
Kunalbag7
answered
in
Probability
Nov 19, 2022
by
Kunalbag7
311
views
tifr2022
probability
expectation
0
votes
1
answer
21
A First Course In Probability, 9th Edition, Indian Version, Sheldon Ross, Chapter 3, Problems, 33.
The meteorology department predicts the rain correctly with a probability of 4/5. When rain is predicted Amit travels by his car. When rain is not forecasted, he travels with his car with a probability of ... a probability of 1/2. Find the probability that Amit does not travel by car given it rains.
jomboy
asked
in
Probability
Sep 10, 2022
by
jomboy
299
views
probability
sheldon-ross
conditional-probability
4
votes
1
answer
22
TIFR CSE 2022 | Part A | Question: 5
Let $\mathcal{F}$ be the set of all functions mapping $\{1, \ldots, n\}$ to $\{1, \ldots, m\}$. Let $f$ be a function that is chosen uniformly at random from $\mathcal{F}$. Let $x, y$ be distinct elements from the set $\{1, \ldots, n\}$. Let $p$ denote the probability ... Then, $p=0$ $p=\frac{1}{n^m}$ $0<p \leq \frac{1}{m^n}$ $p=\frac{1}{m}$ $p=\frac{1}{n}$
Lakshman Patel RJIT
asked
in
Probability
Sep 1, 2022
by
Lakshman Patel RJIT
145
views
tifr2022
probability
uniform-distribution
functions
0
votes
1
answer
23
TIFR CSE 2022 | Part A | Question: 7
Initially, $N$ white beads are arranged in a circle. A number $k$ is chosen uniformly at random from $\{1, \ldots, N-1\}$. Then a set of $k$ beads is chosen uniformly from the white beads, and these $k$ beads are coloured black. The position of the beads remains ... None of the above
Lakshman Patel RJIT
asked
in
Probability
Sep 1, 2022
by
Lakshman Patel RJIT
186
views
tifr2022
probability
uniform-distribution
0
votes
1
answer
24
TIFR CSE 2022 | Part A | Question: 10
Consider a bag containing colored marbles. There are $n$ marbles in the bag such that there is exactly one pair of marbles of color $i$ for each $i \in\{1, \ldots, m\}$ and the rest of the marbles are of distinct colors (different from colors $\{1, \ldots, m\}$ ). You draw ... $\frac{2m}{n}$ $\frac{2m}{n(n-1)}$ $\frac{2m}{n^2}$ $\frac{m}{n(n-1)}$
Lakshman Patel RJIT
asked
in
Probability
Sep 1, 2022
by
Lakshman Patel RJIT
151
views
tifr2022
probability
conditional-probability
0
votes
1
answer
25
TIFR CSE 2022 | Part A | Question: 12
Alice plays the following game on a math show. There are $7$ boxes and identical prizes are hidden inside $3$ of the boxes. Alice is asked to choose a box where a prize might be. She chooses a box uniformly at random. From the unchosen boxes which do not have a prize, ... ). Her probability of winning the prize is $3 / 7$ $1 / 2$ $17 / 30$ $18 / 35$ $9 / 19$
Lakshman Patel RJIT
asked
in
Probability
Sep 1, 2022
by
Lakshman Patel RJIT
146
views
tifr2022
probability
conditional-probability
0
votes
1
answer
26
TIFR CSE 2022 | Part A | Question: 15
Fix $n \geq 4$. Suppose there is a particle that moves randomly on the number line, but never leaves the set $\{1,2, \ldots, n\}$. The initial probability distribution of the particle is $\pi$ i.e., the probability that particle is in location $i$ is given by $\pi(i)$. In the ... $\pi(1)=1$ and $\pi(i)=0$ for $i \neq 1$ $\pi(n)=1$ and $\pi(i)=0$ for $i \neq n$
Lakshman Patel RJIT
asked
in
Probability
Sep 1, 2022
by
Lakshman Patel RJIT
152
views
tifr2022
probability
uniform-distribution
2
votes
2
answers
27
maths probability
A dice is tossed seven times. What is the probability that all six faces appear at least once?
jugnu1337
asked
in
Probability
Aug 15, 2022
by
jugnu1337
280
views
probability
0
votes
1
answer
28
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
jomboy
asked
in
Probability
Jul 28, 2022
by
jomboy
201
views
probability
sheldon-ross
1
vote
0
answers
29
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 ?
closed
jugnu1337
asked
in
Probability
Jul 19, 2022
by
jugnu1337
110
views
discrete-mathematics
probability
0
votes
1
answer
30
ISI Kolkata | MMA | 2022 --- A lie detector determines correctly ....
Picture of question
anupamsworld
asked
in
Probability
Jun 6, 2022
by
anupamsworld
234
views
isi
probability
engineering-mathematics
1
vote
0
answers
31
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 $n\to \infty$.
sd4867
asked
in
Probability
May 6, 2022
by
sd4867
120
views
probability
statistics
3
votes
1
answer
32
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.
ProtonicRED
asked
in
Probability
Mar 8, 2022
by
ProtonicRED
292
views
probability
0
votes
1
answer
33
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
rsansiya111
asked
in
Probability
Feb 24, 2022
by
rsansiya111
342
views
probability
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Recent questions and answers in Probability
Recent Blog Comments
Please upload updated previous year question...
The last hardcopy that was made was for GATE 2022...
overall only 3 post .no post for gen male
for gen GS in the range of 720-750 approx.
can we get 2023 hark copy from amazon?