Question # 1

Waht is the probability that a ball drawn at random from the bag is.

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0.1

0.4

1.0

Cannot be determined from given information

The probability of getting two red balls with replacement from a bag containing 4 red, 3 white and 3 black balls is.

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4/25

1/25

9/100

2/25

The probability of an impossible event is.

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Positive

Zero

Negative

1

The probability of an event connot be.

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= 0

> 0

=1

< 0

Events with equal probabilities are called.

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Mutually exclusive events

Exhauative events

Eqauily likely events

Simple events

A random variable is also called.

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Chance variable

Stochastic variable

Discrete variable

Both A and B

If one event is unaffected by the outcome of another event, the two events are said to be

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Dependent

Independent

Mutually exclusive

Both b and c

The probability of a continuous random variable at x = a is ---------------

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One

Zero

Between 0 and 1

More than one

Var (B/aX) =?

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1/aVar(X)

b²/a² Var(X)

b²/a Var(X)

None of these

The simplest form of the continuous distribution is the.

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Skewed distribution

Kurtic distribution

Binomial distribution

Uniform distribution

If the random variable x denotes the number of heads of when three distinct coins are tossed k the X assumes values.

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0,1,2,3

1,3,3,1

1,2,3

1,1,1,1

The probability of drawing a king of spade from a pack of 52 cards is.

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1/4

1/13

1/26

1/52

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y₁ = y₂

Y₁ > y₂

None of these

When a pair of dice is rolled, the sum of upperemost dots vary from.

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0 to 10

1 to 11

2 to 19

2 to 12

A set of numerical values assigned to a sample space is called.

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Random sample

Random variable

Random numbers

Random experiment

If mean = 25 and variance is also 25, then coefficient of variation is

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100%

25%

20%

10%

Var (KY) = ......................

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KY

K² Var(Y)

K²Var (Y)

None of these

The result of no interest of an experiment is called.

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Contstant

even

Failure

Success

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Statistics Ics Part 1 Chapter 7 Online Test MCQs With Answers

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