Question # 1

In binomial distribution, the random variable has a range:

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0,1,2...................n

0,1,2,......+∞

-∞ to +∞

∞ to +0

Random numbers can be generated mechanically by

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By use of digital computers

Probgrammable calculators

Ordinary calculators

Both a and b

The parameters of hypergeometric distribution are:

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n,k & p

n, k & q

n, p & q

n, k & N

The probability of even/odd number when a fair die rolled is:

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1/6

2/6

1/36

3/6

The repeated trials of binomial experiments are

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Dependent

Independent

Fixed

Variable

Random numbers can be generated

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Manually

Mechanically

Botha a and b

None of these

If X and Y are random varaibes, than E ( X - Y) is equal to.

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E(X) + E (Y)

E(X) - E(Y)

X - E (Y)

E(X) - Y

The probabilyt density function p (x) cannot exced.

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zero

One

Mean

Infinity

If x is discrete random variable, then the function f (x) is.

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A probability function

A density function

A probability density function

A distribution function

The number of possible outcomes in Bernoulli trial is

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Three

Four

Two

One

In hypergeometric distribution, the successive trials are.

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Dependent

Independent

Both (A) & (B)

None of these

The expected value of a discrete random variable is.

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Always an integer

Always one of the values that the random variable can assume

An interal of values

None of these

Its value cannot be exactly examined.

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Ranodm variable

Fixed varaible

Mathematical variable

Variable

The binomial distribution is symmetrical if

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p = 1/2

P > 1/2

p < 1/3

P ≠ q

Binomial distribution is used when n is

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Large

Small

Negative

Zero

If x is a continuous random vriable, then the function f (x) is.

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A probability function

A probability denaity function

A density function

Both b and c

Each trial of binomial experiment results in an outcome which can be classified in two categories

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Head or tail

Ace or six

Success and failure

None of these

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