The tree diagram shows the outcomes of rolling a die and flipping a coin. How many total outcomes are there?
a)
6
b)
12
c)
24
d)
36
2.
You have a 3 tops, 2 pants and 2 shoes. How many total outfit options are represented?
a)
12 outfits
b)
22 outfits
c)
3 outfits
d)
7 outfits
3.
The cafeteria is serving three kinds of sandwiches: tuna (T), chicken, (C), and peanut butter (P). They are also serving a choice of two drinks: milk (M) or water (W). Which shows the complete setof possible combinations?
a)
TW, CW, PW
b)
TW, TM, TC, CW, PW
c)
TW, TM, CW, CM, PW, PM
d)
TCP, MW
4.
A Tree Diagram is
a)
A written list of all possible outcomes
b)
A description of all possible outcomes
c)
A drawing with branches of all possible outcomes
5.
A tree diagram is useful in determining the __________of a probability experiment.
a)
result
b)
possible outcomes
c)
event
d)
none of the above
6.
What is the sample space when you roll a die and then flip a coin?
a)
1H, 2H, 3H, 4H, 5H, 6H, 1T, 2T, 3T, 4T, 5T, 6T
b)
2
c)
1,2,3,4,5,6,H,T
7.
A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. Draws are made without replacement. P(orange,green)
a)
1/15
b)
2/15
c)
3/31
d)
1/5
8.
A jar contains 4 white chips, 5 purple chips, and 1 black chip. Chips are selected randomly one at a time, and are not replaced. P(purple then black)
a)
1/18
b)
2/5
c)
3/7
d)
4/9
9.
Bag A contains 9 red marbles and 3 green marbles. Bag B contains 9 black marbles and 6 orange marbles. Find the probability of selecting one green marble from bag A and one black marble from bag B. P(green, black)
a)
3/20
b)
1/4
c)
3/31
d)
2/27
10.
A basket contains four apples and six peaches. You randomly select one piece of fruit and eat it. Then you randomly select another piece of fruit. Both pieces of fruit are apples. P(apple, apple)
a)
2/15
b)
3/17
c)
1/19
d)
6/21
11.
a)
1/4
b)
1/8
c)
1/2
d)
1/6
12.
a)
1/2
b)
1/8
c)
1/3
d)
1/12
13.
a)
1/8
b)
1/2
c)
1/24
d)
1/16
14.
What is the total number of outcomes for picking a cat or dog and choosing the colors black, brown or spotted?
a)
2
b)
4
c)
6
d)
8
15.
You draw a marble from a bag that has 4 red, 2 blue, and 3 green, you also flip a fair coin. What is the probability you will draw a blue marble and flip a heads?
a)
1/9
b)
3/9
c)
3/6
d)
5/6
16.
Determine if the events are independent or dependent.
a)
Independent
b)
Dependent
17.
Determine if the events are independent or dependent.
a)
Independent
b)
Dependent
18.
Is the event INDEPENDENT or DEPENDENT? You have a jar with 24 pieces of chocolate candy and 14 pieces of orange candy. We take one piece of candy at random from the jar, put it back, and then take a second piece of candy at random from the jar.
a)
Independent
b)
Dependent
19.
Is the event INDEPENDENT or DEPENDENT?
Amy plays card games. She picks a card at random. Then without putting the first card back, she picks a second card at random.
a)
Independent
b)
Dependent
20.
Is the event INDEPENDENT or DEPENDENT? The spinner is spun twice. What is the probability that it lands on red first and then blue?
a)
Independent
b)
Dependent
21.
Which event is not a dependent event?
a)
Picking 2 students to be the line leader and the door holder from a group of 20 students
b)
Picking 2 marbles from a bag without replacing the first marble
c)
Picking 2 crayons from a box without putting any back
d)
Picking an earring, replacing it, then picking a 2nd earring
แป้นคำตอบ
Tree Diagrams, Compound Events and Outcomes
คำถามทั้งหมด: 21
1.
b) 12
2.
a)
12 outfits
3.
c) TW, TM, CW, CM, PW, PM
4.
c)
A drawing with branches of all possible outcomes
5.
b)
possible outcomes
6.
a)
1H, 2H, 3H, 4H, 5H, 6H, 1T, 2T, 3T, 4T, 5T, 6T
7.
a) 1/15
8.
a) 1/18
9.
a) 3/20
10.
a) 2/15
11.
b) 1/8
12.
d) 1/12
13.
d) 1/16
14.
c) 6
15.
a)
1/9
16.
a)
Independent
17.
b)
Dependent
18.
a) Independent
19.
b)
Dependent
20.
a) Independent
21.
d)
Picking an earring, replacing it, then picking a 2nd earring