Question # 1

ⁿC_r is calculated by formula

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When sample space S is partitioned into some mutually exclusive events such that their union is sample space itself. Then the events are called

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Simple events

Compound events

Equally likely events

Exhaustive events

P (A/B) can be evaluated by formula

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P(A∩B)/P(B)

P(A∪B). P(B)

(A∪B)/P(B)

P(A∩B)/P(A)

"P_r can be solved by the formula.

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N!/ r!(n-r)!

(n-r)!/r!

n!(n-r!)

n!(n-r)!/r!

ⁿP_r can be solved by the formula

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A coin is tossed 3 times then, then number of sample points in the sample space is:

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2³

3

8

Both A & C

If two events cannot occur together they are said to be

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Independent events

Dependent events

Mutually exclusive events

Equally likely events

If the occurance of one event is not effected by the occurance of other than these events are called

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Dependent

Independent

Simple

Compound events

The probability of sure event is:

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0

0.5

1

Negative

The conditional probability P(A/B) is given by.

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(A∩B)/(B)

P(A∩B)/P(A)

P(A∩B)/P(B)

(A∩B)/P(B)

Probability of a sure event is

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Zero

Less than one

Greater than one

One

If two events cannot occur together they are said to be.

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Independent

Dependent

mutually exclusive

Equally likely

If n is the number of elements of a set. the total numebr of subsects of this set in

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2n

n2

2ⁿ

n

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Statistics Ics Part 1 Chapter 6 Online Test MCQs With Answers

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