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

If a is a constant then E(a) is equal to

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a

Square of a

Zero

2a

probability distribution of a continuous random variable can be presented by.

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Formula

Curve

Tabular form

None of these

The simplest form of the continues distribution is the

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Skewed distribution

Kurtic distribution

Binomial distribution

Uniform distribution

Tossing two dice possble sampes are.

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2

6

12

36

The Area of trapezoid is equal to:

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sum of paralled sides x base

sum of paralled sides x base/2

2 x base x sum of paralled side

Sum of paralled sides x base/4

the collection of all possible outcome of a random experimnet is called.

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Sample point

Sure event

sample event

simple event

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

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KY

K² Var(Y)

K²Var (Y)

None of these

Is the tossing of two perfect coins the probability at least one head occur is.

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1/4

1

1/2

3/4

For a constant k, the variance of k is

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zero

k²

k

none of these

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

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0, 1, 2, 3

1, 3, 3, 1

1, 2, 3

None of these

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

F(-∞) is always equal to.

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Zero

One

Two

Negative one

Which of the following cannot be probability of an event.

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0

1

0.32

1.00

Hourly temperature recorded by weather brave is the example of:

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Discrete variable

Continuous variable

Qualitative

Both A and B

The probability of an impossible event is.

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Positive

Zero

Negative

1

Random variable is also called ___________.

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Chance stochasitc

Coverges

Random

None of these

The probability of red card out of 52 cards is.

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1/4

1/2

4/52

zero

When two coins are tossed simulataneously the probability of at most one head is.

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1/2

1/4

3/4

None of these

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Statistics Ics Part 1 Chapter 7 Online Test MCQs With Answers

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