1
GATE CE 2013
Numerical
+2
-0
Find the value of $$\lambda$$ such that the function $$f(x)$$ is a valid probability density function ________.
2
GATE CE 2012
+2
-0.6
Is an experiment, positive and negative values are equally likely to occur. The probability of obtaining at most one negative value in five trials is
A
$${1 \over {32}}$$
B
$${2 \over {32}}$$
C
$${3 \over {32}}$$
D
$${6 \over {32}}$$
3
GATE CE 2011
+2
-0.6
There are two containers with one containing $$4$$ red and $$3$$ green balls and the other containing $$3$$ blue balls and $$4$$ green balls. One ball is drawn at random from each container. The probability that one of the balls is red and the other is blue will be ___________.
A
$${1 \over 7}$$
B
$${9 \over 49}$$
C
$${12 \over 49}$$
D
$${3 \over 7}$$
4
GATE CE 2009
+2
-0.6
The standard normal probability function can be approximated as $$F\left( {{X_N}} \right) = {1 \over {1 + \exp \left( { - 1.7255{X_N}{{\left| {{X_N}} \right|}^{0.12}}} \right)}}\,\,\,$$\$
$$\,{X_N} =$$ standard normal deviate. If mean and standard deviation of annual precipitation are $$102$$ cm and $$27$$ cm respectively, the probability that the annual precipitation will be $$b/w$$ $$90$$ cm and $$102$$ cm is
A
$$66.7$$%
B
$$50.0$$%
C
$$33.3$$%
D
$$16.7$$%
GATE CE Subjects
Construction Material and Management
Geomatics Engineering Or Surveying
Engineering Mechanics
Transportation Engineering
Strength of Materials Or Solid Mechanics
Reinforced Cement Concrete
Steel Structures
Irrigation
Environmental Engineering
Engineering Mathematics
Structural Analysis
Geotechnical Engineering
Fluid Mechanics and Hydraulic Machines
General Aptitude
EXAM MAP
Joint Entrance Examination