GATE ME 2009 | Probability and Statistics Question 32 | Engineering Mathematics

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GATE ME 2009

MCQ (Single Correct Answer)

-0.3

The standard deviation of a uniformly distributed random variable $$b/w$$ $$0$$ and $$1$$ is

$${1 \over {\sqrt {12} }}$$

$${1 \over {\sqrt {3} }}$$

$${5 \over {\sqrt {12} }}$$

$${7 \over {\sqrt {12} }}$$

GATE ME 2009

MCQ (Single Correct Answer)

-0.3

If three coins are tossed simultaneously, the probability of getting at least one head is

$$1/8$$

$$3/8$$

$$1/2$$

$$7/8$$

GATE ME 2008

MCQ (Single Correct Answer)

-0.3

A coin is tossed $$4$$ times. What is the probability of getting heads exactly $$3$$ times?

$$1/4$$

$$3/8$$

$$1/2$$

$$3/4$$

GATE ME 2005

MCQ (Single Correct Answer)

-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

$$0.0036$$

$$0.1937$$

$$0.2234$$

$$0.3874$$

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Sheet Metal Forming Processes Metal Cutting Welding Process Metal Forming Casting Advance Machine Tools Machining Metrology and Inspection

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Linear Algebra Calculus Vector Calculus Probability and Statistics Differential Equations Complex Variable Transform Theory Numerical Methods

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Analysis of Plane Mechanisms Gears and Gear Trains Vibrations Flywheel

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