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MATH 7 Sampling & Probability Flashcards | StudBud
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MATH 7 Sampling & Probability
MATH 7 Sampling & Probability
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Math 7 Statistics & Probability Unit
Flashcards
16 cards
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Practice quiz
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Questions
16
Answers
1
What is the difference between theoretical and experimental probability?
They are basically the same
T based on trials, E based on possible outcomes
T based on possibility, E based on actual trials
T based off of a tree diagram, E based off a calculator
2
What is the probability of selecting a blue marble in a jar with 12 red, 16 blue and 14 yellow?
1/4
8/21
28/42
16/42
3
A sandwich shop has 5 types of bread 7 cheeses & 4 meats. How many sandwich combos can be made?
16
128
33
140
4
If you're drawing from a full deck of cards, what is P(Red Jack)?
1/4
1/52
1/26
1/13
5
If the probability of an event is 1/25, the chance of this happening is ________________.
Impossible
Unlikely
Likely
Certain
6
Using the spinner, determine P(Not Yellow):
3/4
1/4
1/2
0
7
A school has 945 boys and 793 girls. What is the probability of randomly selecting a girl?
945/1738
793/1738
8
When probabilities are written as decimals, they range from ________.
0 to 1000
0 to 1
0.0 to 0.1
0 to 100
9
Cards labeled 1-5 are placed into a bag. What is the probability that you will select a prime number?
3/5
0
1
3/10
10
How many possible outcomes are there for rolling a 6-sided die, and flipping a coin?
2
3
8
12
11
To find the degrees needed for a circle graph, you...
Guess, because I forget how to do this
Take 360 and subtract the number of favorable results
Divide results by total outcomes and multiply by 360
Divide total outcomes by results and multiply by 100
12
Based on this tree diagram, how many possible outcomes are there?
4
6
2
8
13
“Should we stop caring about our students’ education and allow them to use phones at school?”
Bias: Assumes phone users don't care about school
Unbiased: It is written as a question
Bias: Phones are against school rules
Bias: Parents never had cell phones before
14
Sally only received 104/300 surveys. If she surveyed the whole class, how many would you expect to choose chocolate?
35
62
180
63
15
This vine is based of a song by the following band
Imagine Dragons
Fetty Wop
Red Hot Chili Peppers
Nickelback
16
If you were to flip a coin three times, what is the probability of getting 3 tails?
1/2
1/4
0
1/8
