WorksheetsProbability
Total questions: 15
Worksheet time: 11mins
Place these events on your probability scale:
A one in ten chance of pulling a red T-shirt out of your cupboard without looking.(UND)
At 10,0 on the scale.
At 0,1 on the scale.
At 1,0 on the scale.
At 0,10 on the scale
An 80% chance of rain.(ANA)
At 8,0 on the scale.
At 0,08 on the scale.
At 8,8 on the scale.
At 0,8 on the scale.
Which of these numbers cannot be a probability?(REM)
0
1.001
-0.00001
20%
A dice is rolled, find the probability that the number obtained is greater than 4.(UND)
6 / 2
2 / 6
4 / 6
6 / 4
Two coins are tossed, find the probability that one head only is obtained.(ANA)
2 / 2
4 / 2
2 / 4
4 / 4
Two dice are rolled, find the probability that the sum is equal to 5.(ANA)
3 / 27
4 / 6
4 / 36
5 / 5
A card is drawn at random from a deck of cards. Find the probability of getting the King of heart.(UND)
1 / 52
4 / 52
4 / 48
1 / 48
Probability of second event in situation if first event has been occurred is classified as: (REM)
series probability
conditional probability
joint probability
dependent probability
Probability which is based on self-beliefs of persons involved in experiment is classified as: (REM)
subjective approach
objective approach
intuitive approach
sample approach
In probability theories, events which can never occur together are classified as: (REM)
collectively exclusive events
mutually exhaustive events
mutually exclusive events
collectively exhaustive events
Joint probability of independent events J and K is equal to: (ANA)
P(J) * P(K)
P(J) + P(K)
P(J) * P(K) + P(J-K)
P(J) * P(K) - P(J * K)
What are the chances that no two boys are sitting together for a photograph if there are 5 girls and 2 boys? (ANA)
1/21
4/7
2/7
5/7
In a drawer there are 4 white socks, 3 blue socks and 5 grey socks. Two socks are picked randomly. What is the possibility that both the socks are of same color? (ANA)
4/11
1
2/33
19/66
A box has 10 black and 10 white balls. What is the probability of getting two balls of the same color? (ANA)
10/19
9/38
9/19
5/38
A salesman calls on 40 people in a week. He is able to close five deals. What is the probability that he will be able to make a sale from the next person called on ? (ANA)
12.5%
87.5%
62.5%
40%
