1
GATE ME 2009
MCQ (Single Correct Answer)
+1
-0.3
The standard deviation of a uniformly distributed random variable $$b/w$$ $$0$$ and $$1$$ is
A
$${1 \over {\sqrt {12} }}$$
B
$${1 \over {\sqrt {3} }}$$
C
$${5 \over {\sqrt {12} }}$$
D
$${7 \over {\sqrt {12} }}$$
2
GATE ME 2008
MCQ (Single Correct Answer)
+1
-0.3
A coin is tossed $$4$$ times. What is the probability of getting heads exactly $$3$$ times?
A
$$1/4$$
B
$$3/8$$
C
$$1/2$$
D
$$3/4$$
3
GATE ME 2005
MCQ (Single Correct Answer)
+1
-0.3
A lot had $$10$$% defective items. Ten items are chosen randomly from this lot. The probability that exactly $$2$$ of the chosen items are defective is
A
$$0.0036$$
B
$$0.1937$$
C
$$0.2234$$
D
$$0.3874$$
4
GATE ME 2005
MCQ (Single Correct Answer)
+1
-0.3
Using given data points tabulated below, a straight line passing through the origin is fitted using least squares method. The slope of the line is GATE ME 2005 Engineering Mathematics - Probability and Statistics Question 29 English
A
$$0.9$$
B
$$1$$
C
$$1.1$$
D
$$1.5$$
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