Statistics and Probability (BITSAT Mathematics): Questions 8 - 11 of 11

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Question number: 8

» Statistics and Probability » Baye's Theorem

MCQ▾

Question

If A and B are independent events, then P(AB) equals

Choices

Choice (4) Response

a.

P(A)P(B)

b.

P(A)+P(B)

c.

P(A B)

d.

P(B A)

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.

34

b.

0

c.

1

d.

12

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.

34

b.

1

c.

0

d.

None of the above

Question number: 11

» Statistics and Probability » Measures of Dispersion

MCQ▾

Question

25% of the items of a data are less than 35 and 25% of the items are more than 75 . Quartile deviation of the data is –

Choices

Choice (4) Response

a.

75

b.

20

c.

55

d.

35

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