Question # 1

A fair die is rolled three times. The probability of getting three "aces" is

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1/3

1/6

If (E(X) = E than find arithmetic means will be.

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1

4

0

8

Binomial distribution is used when n is

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Large

Small

Negative

Zero

The parameters of the binomial distributions are

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x and n

x and p

p and q

n and p

Mean of hypergeometric distribution is

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np

Nnk

A copntinuous probability distribution may be represented by.

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A table

a graph

A mathmethical equation

Botha b and c

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

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

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One

Two

Three

Four

In binomial experiment successive trials are:

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Dependent

Independent

May be independent or dependent

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)

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

N-K is classified as

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Success

Failures

Parameters

Range

Hypergeometric distribution is a

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Continuous distribution

Discrete distribution

Simple distribution

Normal distribution

If in binomial distribution, μ = 6, p = 3/5, the number of trial are:

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18

30

10

None of these

In hypergeometric distribution, the successive trials are.

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Dependent

Independent

Both (A) & (B)

None of these

For a binomial probability distribution:

n = 10 & the probability of failure (q =0.6), then mean of the distribution is .

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0.6

6.0

10

4

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