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GATE CE
Probability and Statistics
Engineering Mathematics
Previous Years Questions
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Marks 1
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The number of parameters in the univariate exponential and Gaussian distributions, respectively, are
GATE CE 2017 Set 1
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A two-faced fair coin has its faces designated as head $$(H)$$ and tail $$(T)$$. This coin is tossed three times in succ...
GATE CE 2017 Set 2
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Type $${\rm I}{\rm I}$$ error in hypothesis testing is
GATE CE 2016 Set 1
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$$X$$ and $$Y$$ are two random independent events. It is known that $$P(X)=0.40$$ and $$\,P\left( {X \cup {Y^C}} \right)...
GATE CE 2016 Set 2
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The spot speeds (expressed in km/hr) observed at a road section are $$66, 62, 45, 79, 32, 51, 56, 60, 53$$ and $$49.$$ T...
GATE CE 2016 Set 2
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A fair (unbiased) coin was tossed four times in succession and resulted in the following outcomes; (i) Head, (ii) Head, ...
GATE CE 2014 Set 2
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The annual precipitation data of a city is normally distributed with mean and standard deviation as $$1000$$mm and $$200...
GATE CE 2012
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Two coins are simultaneously tossed. The probability of two heads simultaneously appearing
GATE CE 2010
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Three values of $$x$$ and $$y$$ are to be fitted in a straight line in the form $$y=a+bx$$ by the method of least square...
GATE CE 2008
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If the standard deviation of the speed of vehicles in a highway is $$8.8$$ kmph and the mean speed of the vehicles is $$...
GATE CE 2007
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A box contains $$10$$ screws, $$3$$ of which are defective. Two screws are drawn at random with replacement. The probabi...
GATE CE 2003
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Marks 2
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For the function $$\,f\left( x \right) = a + bx,0 \le x \le 1,\,\,$$ to be a valid probability density function, which o...
GATE CE 2017 Set 1
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If $$f(x)$$ and $$g(x)$$ are two probability density functions, $$$f\left( x \right) = \left\{ {\matrix{ {{x \over a...
GATE CE 2016 Set 2
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Four cards are randomly selected from a pack of $$52$$ cards. If the first two cards are kings, what is the probability ...
GATE CE 2015 Set 2
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The probability density function of a random variable, $$x$$ is $$$\matrix{ {f\left( x \right) = {x \over 4}\left( {...
GATE CE 2015 Set 2
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Consider the following probability mass function (p.m.f) of a random variable $$X.$$ $$$p\left( {x,q} \right) = \left\{...
GATE CE 2015 Set 1
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If $$\left\{ x \right\}$$ is a continuous, real valued random variable defined over the interval $$\left( { - \infty ,\,...
GATE CE 2014 Set 2
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An observer counts $$240$$veh/h at a specific highway location. Assume that the vehicle arrival at the location is Poiss...
GATE CE 2014 Set 2
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A traffic office imposes on an average $$5$$ number of penalties daily on traffic violators. Assume that the number of ...
GATE CE 2014 Set 1
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The probability density function of evaporation $$E$$ on any day during a year in a watershed is given by $$$f\left( E ...
GATE CE 2014 Set 1
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Find the value of $$\lambda $$ such that the function $$f(x)$$ is a valid probability density function ________.
GATE CE 2013
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Is an experiment, positive and negative values are equally likely to occur. The probability of obtaining at most one neg...
GATE CE 2012
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There are two containers with one containing $$4$$ red and $$3$$ green balls and the other containing $$3$$ blue balls a...
GATE CE 2011
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The standard normal probability function can be approximated as $$$F\left( {{X_N}} \right) = {1 \over {1 + \exp \left( ...
GATE CE 2009
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A hydraulic structure has four gates which operate independently. The probability of failure of each gate is $$0.2.$$ Gi...
GATE CE 2004
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