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Statistics and Probability 9MAT Revision Flashcards | StudBud
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Statistics and Probability 9MAT Revision
Statistics and Probability 9MAT Revision
13 terms
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StudBud Administration
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#year9 #revision #statistics #probability
Flashcards
13 cards
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Questions
13
Answers
1
Solve
P(No HW and caught) = 0.28
P(No HW and caught) = 0.12
P(No HW and caught)=0.5
P(No HW and caught) = 0.32
2
How many pods had 4 peas in them?
7
9
8
10
3
Find the probability that no heads are thrown in three throws
P(0 heads) = 0.875
P(0 heads) = 0.125
P(0 heads) = 0.15
P(0 heads) = 1
4
What kind of graph is this?
Stem and leaf graph
Scatterplot
Dot plot
Box-and-whiskers plot
5
How many girls are surveyed?
100
200
400
300
6
The graph shows the numbers of peas counted in each pod on a plant. How many peas altogether?
30
22
36
20
7
What percentage of students scored 60% or more?
45%
60%
56.5%
30.2%
8
Find the median
46
49
53
52
9
What is the outcome?
HTH
TTH
HTT
HHT
10
If a pie chart of this data was created, how many degrees would we allocate to netball?
100.8°
28°
55.8°
77.4°
11
Find the probability of 3 heads.
P(3 heads)=P(3 heads)
P(3 heads)=0.25
P(3 heads)= 1.5
P(3 heads)= 0.125
12
What percentage of girls play softball?
12.2%
15.5%
11.1%
13.3%
13
Calculate the mean of: 145, 150, 146, 136, 160, 142, 140, 145, 152, 158
54.3
123.5
147.4
190.3
