A card is taken at random from a pack of 52 playing cards; what is the probability that it is a Red 7?
A.
1/13
B.
1/52
C.
1/26
3.
If you roll a fair dice 120 times how many times would you expect to get a 4?
A.
50
B.
60
C.
20
4.
The faces of a regular tetrahedron are numbered 1 to 4. When rolled it lands face down on one of these numbers. What is the probability that this number is not 2?
A.
1/4
B.
1/2
C.
3/4
D.
1
5.
Using the same dice as in question 5, what is the probability that the score is at least 8?
A.
1/3
B.
7/36
C.
1/4
D.
5/12
6.
And again, with the two dice, what is the probability of a double being scored?
A.
1/3
B.
1/5
C.
1/6
D.
1/4
7.
And finally, with the two dice, what is the probability of a score of 10 or more given that one of the dice shows a 6?
A.
1/2
B.
5/36
C.
5/11
D.
3/11
8.
A coin is biased so that the probability of a Head is 3/5. What is the probability of getting two heads with two tosses of the coin?
A.
9/25
B.
6/25
C.
6/10
D.
4/25
9.
Finally, with the same biased coin, with three tosses, what is the probility of at least one tail?
What do you know about probability? When faced with a problem such as whether the coin you flipped will land on heads or tails, you need first to identify the number of possible outcomes. For any event, every possible outcome has...
Questions: 15 | Attempts: 8066 | Last updated: Mar 21, 2022
Sample Question
In a class, there are 12 boys and 16 girls. One of them is called out by an enroll number, what is the probability that the one called is a girl?
Can you guess what kind of a score you would have you took a probability test? Define all of the possible events and outcomes that can occur if you roll dice, which has six sides and land on three. We know there are six possible...
Questions: 16 | Attempts: 6456 | Last updated: Mar 22, 2022