Probability Test

Result

Probability Test - 41

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Weekly Quiz Competition

Question 1
4 / -1

A box contains 10 good articles and 6 with defects. One article is chosen at random. What is the probability that its is either good or has a defect

A

B

C

D

Solution
Question 2
4 / -1

The probability of happening of an impossible event i.e., P(φ) is

A
1

B
0

C
2

D
–1
Question 3
4 / -1

A coin is tossed until a head appears or until the coin has been tossed five times. If a head does not occur on the first two tosses, then the probability that the coin will tossed 5 times is

A

B

C

D

Solution
Question 4
4 / -1

Two dice are tossed. The probability that the total score is a prime number is

A

B

C

D
None of these

Solution
Question 5
4 / -1

A

B

C

D
None of these

Solution
Question 6
4 / -1

Two dice are thrown. The probability that the sum of the points on two dice will be 7 is

A

B

C

D

Solution
Question 7
4 / -1

The probability that an event will fail to happen is 0.05. The probability that the event will take place on 4 consecutive occasions is

A
0.00000625

B
0.18543125

C
0.00001875

D
0.81450625

Solution
Question 8
4 / -1

The chance of throwing at least 9 in a single throw with two dice is

A

B

C

D

Solution
Question 9
4 / -1

Five horses are in a race. Mr. A selected two of the horses at random and bets on them. The probability that Mr. A selected the winning horse is

A

B

C

D

Solution
Question 10
4 / -1

Three identical dice are rolled. The probability that same number will appear on each of them will be

A

B

C

D

Solution