Question # 1

The bionomial distribution is negatively skewed if.

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p < 1/2

p = 1/2

p > 1/2

p = 1

The mena is affected by

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Change of origin

Scale of measurement

Both a and b

None of these

If a Vann diagram is drawn for events A and B which are mutually exclusive, which f the folloiwng would always be true of A and B.

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Theire parts of the rectangle will overlap

Their parts fo the rectangle will be equal in area

Their parts of the rectangle will not overlap

None of these

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

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0

1

-1

8

For a given binomial distribution with a fixed,if p < 0.5 , than

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The binomial distribution will be skewed to the left.

The binomial distribution will be skewed to the right

The binomial distributio iwll be symmetric

None of these

A non - orderly arrangement of thing s is called:

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Permutation

Equally likely

Combination

Equally likely

Two events A and B are mutually exclusive if P(A∪B) =

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P(A) - P(B)

P(A) + P(B)

P(A)P(B) - P(A∪B)

P(A) + P(B) - P(A∪B)

Which average cannot be computed if any value is less than zero.

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G.M

Median

Mode

A.M

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

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18

30

10

None of these

Both quantities and prices are used in:

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Link relatives

Chain relatives

Average of relatives

Aggregative index number

If we went to compare the prices of wheat then we have to compute.

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Price index number

Quantity index number

Volume index number

Both B and C

The range of probability is between

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0 to 2

-1 to +1

0 to 8

0 to 1

In the price relative, the given year price is divided by the _________.

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Base year price

Current year price

Previous year price

None of these

Mid poitn of the group. 5.5 - 7. 5 in

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6

6.5

7

7.5

If a player well shuffles the pack of 52 playing card, then the probability of a black card form 52 playing cards is:

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1/52

13/52

26/52

4/52

In hypergometric distribution the trials are.

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Independent

Dependent

Independent and dependent

None of these

There sets on a sofa can be occupied by four persons in.

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12 ways

7 ways

24 ways

None of these

Proportion is the always _________ equal to 1.

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Less then or

Always greater

Greater then or

Zero

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