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Recent questions tagged probability
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61
GATE 2018 | MATHS | QI47
Let \(\{X_i\}\) be a sequence of independent Poisson(\(\lambda\)) variables, and let \(W_n = \frac{1}{n} \sum_{i=1}^{n} X_i\). Then the limiting distribution of \(\sqrt{n}(W_n - \lambda)\) is the normal distribution with zero mean and variance given by (A) \(1\) (B) \(\sqrt{\lambda}\) (C) \(\lambda\) (D) \(\frac{\lambda}{2}\)
rajveer43
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in
Probability
Jan 11
by
rajveer43
116
views
probability
statistics
0
votes
0
answers
62
GATE 2018 | MATHS | QUESTION 34
Let the cumulative distribution function of the random variable \(X\) be given by \[ F_X(x) = \begin{cases} 0 & \text{if } x < 0 \\ x & \text{if } 0 \leq x < \frac{1}{2} \\ \frac{1 + x}{2} & \text{if } \frac{1}{2} \leq x < 1 \\ 1 & \text{if } x \geq 1 \end{cases} \] Then, the probability \(P(X = \frac{1}{2})\) is given by
rajveer43
asked
in
Probability
Jan 11
by
rajveer43
64
views
probability
0
votes
1
answer
63
GATE 2018 | MATHS | Q-33
Let \(X\) and \(Y\) have a joint probability density function given by \[ f_{X,Y}(x, y) = \begin{cases} 2 & \text{if } 0 \leq x \leq 1 - y \text{ and } 0 \leq y \leq 1 \\ 0 & \text{otherwise} \end{cases} \] If \(f_Y\) denotes the marginal probability density function of \(Y\), then \(f_Y(1/2)\) is given by
rajveer43
asked
in
Probability
Jan 11
by
rajveer43
80
views
probability
0
votes
0
answers
64
GATE 2022 | Statistics | GATE-DA Sample Question
A company sometimes stops payments of quarterly dividends. If the company pays the quarterly dividend, the probability that the next one will be paid is $0.7$. If the company stops the quarterly dividend, the probability that the next ... (rounded off to three decimal places) that the company will not pay quarterly dividend in the long run is ______.
rajveer43
asked
in
Probability
Jan 10
by
rajveer43
92
views
probability
0
votes
0
answers
65
GATE Practice Problem | Probability
Two defective bulbs are present in a set of five bulbs. To remove the two defective bulbs, the bulbs are chosen randomly one by one and tested. If $𝑋$ denotes the minimum number of bulbs that must be tested to find out the two defective bulbs, then $𝑃(𝑋 = 3)$ (rounded off to two decimal places) equals _______________
rajveer43
asked
in
Probability
Jan 10
by
rajveer43
74
views
probability
0
votes
0
answers
66
GATE DA Paper | Practice Problems
Let $𝑌_1 < 𝑌_2 < ⋯ < 𝑌_n$ be the order statistics of a random sample of size $𝑛$ from a continuous distribution, which is symmetric about its mean $𝜇$. Then the smallest value of $𝑛$ (in integer) such that $𝑃(𝑌1 < 𝜇 < 𝑌) ≥ 0.99$, is ______.
rajveer43
asked
in
Probability
Jan 10
by
rajveer43
80
views
statistics
probability
0
votes
0
answers
67
GATE 2021 | Statistics | Q-3
rajveer43
asked
in
Probability
Jan 10
by
rajveer43
38
views
statistics
probability
0
votes
1
answer
68
GATE 2022 | Statistics | Q- 57
In a laboratory experiment, the behavior of cats are studied for a particular food preference between two foods $A$ and $B$ . For an experiment, 70% of the cats that had food A will prefer food A, and 50% of the cats that had food ... experiment, then the percentage (rounded off to one decimal place) of cats those will prefer food A in the third experiment, is ______
rajveer43
asked
in
Probability
Jan 10
by
rajveer43
115
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probability
0
votes
0
answers
69
GATE Statistics Question 34
rajveer43
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in
Probability
Jan 9
by
rajveer43
55
views
probability
0
votes
0
answers
70
GATE CS Probabilty 2022 statistics paper
rajveer43
asked
in
Probability
Jan 9
by
rajveer43
54
views
probability
2
votes
1
answer
71
probability
8 pairs of hand gloves are on a shelf ( each of different colour). Four gloves are selected at random, the probability that there will be at least one pair is?
practicalmetal
asked
in
Probability
Jan 3
by
practicalmetal
192
views
probability
0
votes
0
answers
72
#self doubt
Telephone calls arrive at an exchange according to the Poisson process at a rate λ= 2/min. Calculate the probability that exactly two calls will be received during each of the first 5 minutes of the hour. the given solution is: Assume that N is the number of calls received during 1 ... 5) = 32 x e-10 P(M =5) = 0.00145, where e is a constant, which is approximately equal to 2.718.
Dknights
asked
in
Probability
Dec 29, 2023
by
Dknights
426
views
probability
0
votes
4
answers
73
Made Easy Probability - Let X be a set containing n elements. Three subsets A,B, C of X are chosen at random. The probability that A, B, C are pairwise disjoint is? (What do they mean by pairwise disjoint? and how should I approach this question?)
tishhaagrawal
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in
Probability
Dec 4, 2023
by
tishhaagrawal
1.0k
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probability
combinatory
counting
made-easy-test-series
gate-preparation
test-series
engineering-mathematics
self-doubt
bad-question
1
vote
1
answer
74
Made Est Test Series : How to find the expected number of dice rolls required to get 2 consecutive sixes? Can someone please explain an easy way to tackle such questions.
tishhaagrawal
asked
in
Probability
Dec 4, 2023
by
tishhaagrawal
464
views
expectation
probability
engineering-mathematics
gateforum-test-series
0
votes
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75
Janko Gravner, Lecture Notes for Introductory Probability. Ex. 4.22
Each day, you independently decide, with probability p, to flip a fair coin. Otherwise, you do nothing. (a) What is the probability of getting exactly 10 Heads in the first 20 days? (b) What is the probability of getting 10 Heads before 5 Tails? For part a) ... ) + 20C12(12C2)(p/2)^10(1-p/2)^2 + ... + 20C20(20C10)(p/2)^10(1-p/2)^10
ktushar
asked
in
Probability
Nov 23, 2023
by
ktushar
159
views
gravner
probability
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