Question # 1

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

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

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One

Two

Three

Four

Which of the following is true for binomial distribution

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Mean > variance

Mean < variance

Mean = variance

Mean + standard deviation

The parameters of hypergeometric distribution are:

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n,k & p

n, k & q

n, p & q

n, k & N

N-K is classified as

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Success

Failures

Parameters

Range

If C is a non -random variabe than E (C) is.

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c

0

1

x

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)

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

An expected value of a random variable is equal to its.

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Variance

B.D.

Mean

Co - Variance

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

Mean of hypergeometric distribution is

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np

Nnk

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 can be generated mechanically by

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By use of digital computers

Probgrammable calculators

Ordinary calculators

Both a and b

In a discriete probability distribution the sum of all the probabilities is alwyas

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0

1

-1

8

In binomial distribution, the random variable has a range:

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

0,1,2,......+∞

-∞ to +∞

∞ to +0

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

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18

30

10

None of these

When X denotes the number of success in binomial experiment, it is called.

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Random variable

Binomial random variable

Continuous random variable

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

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Statistics Ics Part 1 Chapter 8 Online Test MCQs With Answers

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