Probability and Statistics (3130006) MCQs

MCQs of Basic Probability

Showing 41 to 50 out of 108 Questions
41.

For event A, P(A')= _______.

(a)

P(1)-A

(b)

1-P(A)

(c)

P(A)+1

(d)

none of the above

Answer:

Option (b)

42.

If AB then _______.

(a)

P(A)P(B)

(b)

P(A)P(B)

(c)

P(A)P(B)

(d)

P(A)P(B)

Answer:

Option (a)

43.

Different numbers of two digits from the digits 4,5,6,7,8 can be formed _______ times.

(a)

52

(b)

25

(c)

25

(d)

52

Answer:

Option (a)

44.

Out of 6 boys and 4 girls in how many ways a comittee of five members with at most 2 girls can be formed?

(a)

252

(b)

168

(c)

186

(d)

none f the above

Answer:

Option (c)

45.

What is Probability that a leap year contain 53 sundays?

(a)

2 7 

(b)

1 7 

(c)

3 7 

(d)

none of the above

Answer:

Option (a)

46.

Four letters are arranged in all possible ways of the word THURSDAY. What is Probability that the word formed is HURT?

(a)

1 1680 

(b)

1 1860 

(c)

C48

(d)

none of the above

Answer:

Option (a)

47.

If P(A)=0.68, P(B)=0.62, P(AB)=0.55 then P(AB')= _______.

(a)

0.18

(b)

0.13

(c)

0.5

(d)

none of the above

Answer:

Option (b)

48.

Three coins are tossed. What is Probability of getting exactly 2 heads?

(a)

0.5

(b)

0.375

(c)

C23

(d)

none of the above

Answer:

Option (b)

49.

A single die is tossed once. What is Probability of 2 or 5 turning up?

(a)

1 3 

(b)

1 6 

(c)

C26

(d)

none of the above

Answer:

Option (a)

50.

One card is drawn at random from well-shuffled pack of 52 cards. What is Probability that the card wil not be an ace?

(a)

0.5

(b)

0.9231

(c)

0.25

(d)

none of the above

Answer:

Option (b)

Showing 41 to 50 out of 108 Questions