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Duplicate of MATH 7 Sampling & Probability
Duplicate of MATH 7 Sampling & Probability
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Math 7 Statistics & Probability Unit
Flashcards
18 cards
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Questions
18
Answers
1
What is the probability of selecting a blue marble in a jar with 12 red, 16 blue and 14 yellow?
1/4
28/42
16/42
8/21
2
The easiest method to get a sample from. Usually produces biased results.
Systematic Sampling
Random Sampling
Large Group Sampling
Convenience Sampling
3
A sandwich shop has 5 types of bread 7 cheeses & 4 meats. How many sandwich combos can be made?
140
33
16
128
4
Based on this tree diagram, how many possible outcomes are there?
4
8
2
6
5
What is the difference between theoretical and experimental probability?
They are basically the same
T based on possibility, E based on actual trials
T based on trials, E based on possible outcomes
T based off of a tree diagram, E based off a calculator
6
When probabilities are written as decimals, they range from ________.
0 to 1000
0 to 1
0.0 to 0.1
0 to 100
7
If you're drawing from a full deck of cards, what is P(Red Jack)?
1/26
1/13
1/4
1/52
8
This method divides the population into subgroups based on certain characteristics.
Department Sampling
Random Sampling
Stratified Sampling
Cluster Sampling
9
Using the spinner, determine P(Not Yellow):
0
3/4
1/2
1/4
10
To find the degrees needed for a circle graph, you...
Take 360 and subtract the number of favorable results
Divide total outcomes by results and multiply by 100
Guess, because I forget how to do this
Divide results by total outcomes and multiply by 360
11
Cards labeled 1-5 are placed into a bag. You pick two cards. What is the chance they add to 10?
1
0
1/10
1/5
12
If the probability of an event is 1/25, the chance of this happening is ________________.
Unlikely
Certain
Impossible
Likely
13
If you were to flip a coin three times, what is the probability of getting 3 tails?
1/8
1/2
1/4
0
14
This vine is based of a song by the following band
Red Hot Chili Peppers
Imagine Dragons
Fetty Wop
Nickelback
15
The best method to sample. Everyone has an equal chance of being selected.
Random Sampling
Convenience Sampling
Stratified Sampling
Biased Sampling
16
A school has 945 boys and 793 girls. What is the probability of randomly selecting a girl?
945/1738
793/1738
17
This method is when you take every Nth person from a population.
Stratified Sampling
Random Sampling
Cluster Sampling
Systematic Sampling
18
How many possible outcomes are there for rolling a 6-sided die, and flipping a coin?
2
3
12
8
