Question # 1

a measure of the chance that an uncertain event will occur.

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An experiment

An event

A probability

A trail

When two coins are tossed simultaneously, P (one head ) is.

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1/2

1/4

3/4

1.0

Random variable is also called ___________.

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Chance stochasitc

Coverges

Random

None of these

Coefficient of variation (C.V) is given below

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Mean /S.D x10

Mean/S.D x 100

S.D/Mean x 100

S.D/ Mean

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

Hourly temperature recorded by weather brave is the example of:

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Discrete variable

Continuous variable

Qualitative

Both A and B

Which one is not an example of random experiments.

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A coin is tossed and the outcome is either a head or a tail

A six sided aid is rolled

All medical insurance clams received by a company in a given year.

Some one of person will be admitted to a hospital emergency room during any hour.

The probability of getting an odd number when a balanced die is rolled is.

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1/2

1/3

1/4

1/6

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 simple probability of occurrence of an event in called the.

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Joint probability

Conditional probability

Marginal probability

Subjective probability

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 properties of discrete probability distribution are:

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Σp (x) = 1 and Σx. (x) = 1

ΣP (x)= 1 and Σx. P

ΣP(x) = 1 and 0 < P(x) ≤ 1

All of these above

The coins are tossed, the porbability of two tails is euql to.

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1/2

1/4

3/4

1

The result of no interest of an experiment is called.

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Contstant

even

Failure

Success

Var (B/aX) =?

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1/aVar(X)

b²/a² Var(X)

b²/a Var(X)

None of these

The range of probability is between

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0 to 2

-1 to +1

0 to 8

0 to 1

F (+∞) is always equal to:

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0

Two

One

None of these

E(x) = Σxf(x) if it ________ absolutely.

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Equal

Converges

Discrete

None of these

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Statistics Ics Part 1 Chapter 7 Online Test MCQs With Answers

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