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Grade:
8
, Subject:
Math
, Topic:
Probability and Statistics Probability
Question 1:
Probability P = ___
(negative outcome)/(total outcome)
(total possible outcome − desired outcome)
(desired outcome)/(total possible outcome)
(total possible outcome)/(desired outcome)
Question 2:
Two dice are rolled. Which of the following is the correct way to calculate the total outcome?
Permutation with repetition
n
^{r}
(Total outcome of first dice) × (Total outcome of second dice)
All of the above
Question 3:
Three coins are flipped. How many possible outcomes are there?
3
6
9
8
Question 4:
Four coins are flipped. What is the probability of getting all heads?
1/4
1/16
1/8
1/32
Question 5:
Two dice are rolled. What are the outcomes when the total of two dice is equal to 8?
5
4
3
8
Question 6:
Two dice are rolled. What is the probability of getting total of two dice equal to 10?
1/36
2/36
3/36
10/36
Question 7:
If you roll 2 dice, what is the probability that you get both dice the same?
1/36
1/18
1/12
1/6
Question 8:
There are four friends; Amar, Bob, Tom and Jill. If two of them are selected to go to a movie, what if the probability that Bob is one of them?
1/6
1/3
1/2
1/4
Question 9:
There are six friends; Amar, Cathy, Bob, Tom, Mike and Jill. If two of them are selected to go to a park, what if the probability that Cathy is one of them?
1/15
1/6
1/8
1/3
Question 10:
There are five marbles in a jar; red, blue, green, yellow and black. If you pick a marble randomly, what is the probability that the marble is
not
red?
1/5
4/5
3/5
4/6
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