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Math 9 Probability and Statistics Flashcards | StudBud
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Math 9 Probability and Statistics
Probability
Probability that left handed student is in grade 9?
Math 9 Probability and Statistics
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Probability and Stats review
Flashcards
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Questions
16
Answers
1
Probability that left handed student is in grade 9?
11/107
11/338
11/51
11
2
Probability
D
A
B
C
3
A survey of your close friends about their favorite movies is unbiased.
True
False
4
What is wrong with the graph?
y-axis isn't labelled
Title is off-centre
x-axis has constant scale
y-axis starts at 0
5
A random sample is the most biased type of sample because people could all have biased opinions.
True
False
6
Find the probability.
C)
A)
B)
D)
7
You flip 2 coins and roll a 6-sided die. What are the odds you don't see a tails and roll 1?
2/36
1/24
1/12
1/4
8
Samples are used instead of populations because of
Cost
Time
All mentioned options
Practicality
9
We can always eliminate bias when sampling people.
False
True
10
In roulette there are 38 spaces, 18 are red, 18 are black and 2 are green. If you bet on a red space your odds are 1/2.
False
True
11
I have a better chance to roll 7 with two dice then to roll doubles.
True
False
12
Probability
red
blue
black
green
13
Find the probability
C
A
B
D
14
Find the probability
C
B
D
A
15
Probability that a student is in grade 9?
99/338
282/338
107/338
11/338
16
Probability
B
D
C
A
