Question # 1

The repeated trials of binomial experiments are

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Dependent

Independent

Fixed

Variable

A fair coin is tossed four times the probability of getting four heads is

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1/4

1/2

4/6

1

Mean of hypergeometric distribution is

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np

Nnk

The binomial distribution has the following parameters.

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p & q

n & q

n, p & q

None of these

Its value cannot be exactly examined.

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Ranodm variable

Fixed varaible

Mathematical variable

Variable

if X and Y are independent random varaibesl the S.D. (X-Y) is equal to

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Var (X) - var (Y)

Var (X) + Var (Y)

E(X-Y)2

E(X + Y)2

The parameters of the binomial distributions are

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x and n

x and p

p and q

n and p

Hypergeometric distribution is a

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Continuous distribution

Discrete distribution

Simple distribution

Normal distribution

The parameters of hypergeometric distribution are:

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n,k & p

n, k & q

n, p & q

n, k & N

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 binomial distribution deal with:

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Discrete variable

Continuous variable

None of these

The hypergeometric distribution has -------------- parameters

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One

Two

Three

Four

Which of the following distribution(s) has 3 parameters.

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Binomial distribution

Hypergeometric distribution

Both of the above

None of these

In hypergeometric distribution, the successive trials are.

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Dependent

Independent

Both (A) & (B)

None of these

Which of the following case is true for hypergeometric distribution.

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Probability remains constant for all trials

Probability changes

successive trials are dependent

Both (B) and (C) but not (A)

When we draw the sample with replacement (the first sample is replaced before the next draw), the probability distribution to be used is:

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Binomial

Hypergeometric

Both Binomial & hypergeometric

None of these

Random numbers are generated from the single digit numbers.

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{ 1,2,3,............. 10 }

{ 0, 1,2,.......................... 10}

{ 0,1,2.............}

{0,1,2,............. 9}

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