Question # 1

Tossing two dice possble sampes are.

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2

6

12

36

P (A/B) can be evaluated by formula

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P(A∩B)/P(B)

P(A∪B). P(B)

(A∪B)/P(B)

P(A∩B)/P(A)

The result of no interest of an experiment is called.

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Contstant

even

Failure

Success

Which of the following indices has an upward bias.

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Laspeyres' index

Paache's index

Fisher's index

None of these

If x is a random variable with E(x) = 5 then E (3x - 2) =

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0

1

13

15

Two methods of data arrangement are

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Array and frequency distribution

Frequency distribution and histogram

Array and frequency polygon

Histogram and array

Laspeyres index number is also called as:

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Base year weight index number

Current year weight index number

Ideal index number

Fisher index number

The lack of symmetry is called________.

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consistent

skewness

Equidistant

Kurtosis

In symmetrical distribution if Q1 = 4, Q3 = 12 then median is.

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4

6

8

zero

Both quantities and prices are used in:

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Link relatives

Chain relatives

Average of relatives

Aggregative index number

Y₃+y₄+......+y₁₅ =

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Σ¹⁵ _i=1 Y₁

Σ¹⁵ _i=3 Y₂

¹⁵Σ_i=3 Y_i

¹⁵Σ_i=3Y_i²

A coin is tossed 3 times then, then number of sample points in the sample space is:

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2³

3

8

Both A & C

F(y₁) ≤ F(y₂) if

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y₁= y₂

Y₁>y₂

y₁≤y₂

y≥1/2

⁴C₅= ....................

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5

1/5

0

None of these

The probability of getting two red balls with replacement from a bag containing 4 red, 3 white and 3 black balls is.

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4/25

1/25

9/100

2/25

Is the tossing of two perfect coins the probability at least one head occur is.

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1/4

1

1/2

3/4

When referring to a curve whose longer tail is to the right, you would call it.

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Symmetrical

Positively skewed

Negatively skewed

None of these

Mean of hypergeometric distribution is

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mN/k

nK/N

k/nN

Nk/n

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