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Probability
Probability
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Grade 7 and 8
Flashcards
16 cards
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Questions
16
Answers
1
The desired result when calculating probability is called...
....theoretical probability
... a favourable outcome
...a sample space
...an independent event
2
What is the probability of flipping heads?
50%
1/2
.5
1.0
3
Rolling a six side die could be used to simulate which theoretical probability situation?
Getting perfect on your quiz
Six runners in a race all with an equal chance of winning
There is a 50% chance of rain tomorrow
Your birthday being in August
4
A mathematical calculation of the chances that an event will happen in theory is...
...is measured between 0 and 1
...theoretical probability
...impossible
...the sample space
5
Which is true?
Probability is measured between 0-10
Probability is measured between 0-100%
Probability is measured between 0-1
Probability is measured between 0-100
6
One card is drawn from a deck of 52 cards. What is the probability of picking a red one?
.5
.6
30/52
50%
7
What is the probability of rolling a 1 or a 5?
33%
1/5
66%
3/6
8
A set of all possible outcomes is called the...
...independent event
...main event
Fibonacci Sequence
....the sample space
9
Rameel chooses one ball without looking. What is the probability of it being a striped ball?
1/2
1
3/8
7/15
10
Flipping a coin and spinning a spinner and rolling a die are examples of...
...independent events
...dependent events
....a favourable outcome
...having lots of fun on a Friday night
11
What is probability?
A set of all possible outcomes
A record of all the possible combinations of events
How likely an event is to occur.
A possible outcome, or group of outcomes from an experiment
12
What is the probability of spinning an odd number?
25%
10%
50%
100%
13
Round 0.761 to one decimal point
0.7
0.76
1.8
0.8
14
This is an example of....
an organized list
a tree diagram
a sample space
an event
15
There are 10 red marbles & 6 green marbles in a bag. What's the probability of picking a red?
100%
30%
10/16
6/16
16
What is the probability of your birthday being in the Spring?
10%
50%
25%
30%
