Statistics and Probability (BITSAT Mathematics): Questions 7 - 13 of 15

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Question number: 7

» Statistics and Probability » Probability

MCQ▾

Question

Two cards are drawn at random from a pack to 52 cards. The probability of these two being aces is

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

None of the above

Question number: 8

» Statistics and Probability » Baye's Theorem

MCQ▾

Question

If Equation and Equation are independent events, then Equation equals

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 9

» Statistics and Probability » Probability

MCQ▾

Question

A coin with tail on both sides is tossed twice. The probability of getting a “head” is

Choices

Choice (4) Response

a.

Equation

b.

0

c.

1

d.

Equation

Question number: 10

» Statistics and Probability » Probability of an Event

MCQ▾

Question

The chance that an event “occurs” or does not occur is

Choices

Choice (4) Response

a.

Equation

b.

1

c.

0

d.

None of the above

Question number: 11

» Statistics and Probability » Measures of Dispersion

MCQ▾

Question

Equation of the items of a data are less than Equation and Equation of the items are more than Equation . Quartile deviation of the data is –

Choices

Choice (4) Response

a.

75

b.

20

c.

55

d.

35

Question number: 12

» Statistics and Probability » Binomial Distribution

MCQ▾

Question

The mean of a binomial distribution is Equation , and then its variance has to be –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 13

» Statistics and Probability » Probability

MCQ▾

Question

In how many ways can 4 people be seated on a square table, one on each side?

Choices

Choice (4) Response

a.

1

b.

Equation

c.

Equation

d.

All of the above

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