Question # 1

A student soved 25 questions from first 50 questios of a book to be solved. The prob, that he will solve the remaining all questions.

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0.25

0.51

1

0

The binomial distribution deal with:

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Discrete variable

Continuous variable

None of these

If a curve has a longer tail to the left . it is called a.

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Symmetrical curve

Positive skewed curve

Negatively skewed curve

None of these

An Ogive is a

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Frequency curve

Frequency polygon

Cumulative frequency polygon

Frequency histogram

When a pair of dice is rolled, the sum of upperemost dots vary from.

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0 to 10

1 to 11

2 to 19

2 to 12

If A∪B = S then A and B are __________ events.

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Equally likely

Exhaustive

Compound

None of these

Binomial distribution has parameter

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One

Two

Three

Four

Give classes, 1 - 6, 6 - 10...... class interval is.

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5.5

3

4

5

Both quantities and prices are used in

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Link relatives

Chain relatives

Average of relatives

Aggregative index numbers

Which of the following methods uses quantities consumed in the current period when computing a weighted index.

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Laspeyres' method

Paache's method

Fisher's method

Marshall -Edge worth's method

Proportion is the always _________ equal to 1.

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Less then or

Always greater

Greater then or

Zero

A disadvantage of range is that it is based on.

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Absolute deviation

Square deviation

Two extreme observation

Upper and quartile

The minimum classes may be determine by formula.

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C = 1+3, log (n)

c = √n

X_m - X₀

Both A and B

The bionomial distribution is negatively skewed if.

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p < 1/2

p = 1/2

p > 1/2

p = 1

Random numbers can be generated

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Manually

Mechanically

Botha a and b

None of these

When a distribution is symmetrical and has one mode,the highest point on the curve is called.

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Mode

Median

Mean

All of these

When two coins are tossed simultaneously, P (one head ) is.

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1/2

1/4

3/4

1.0

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

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