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WorksheetsIntro to Chance (Year 8)
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
In mathematics, an experiment would be...
a)
placing a plant and a mouse into a cage and observing what happens.
b)
spinning a spinner, tossing a six-sided die, tossing a two-sided coin, or choosing an object from a group of objects randomly.
c)
seeing the amount of sunlight needed to make a plant grow most effectively.
d)
altering the amount of protein in your diet and observing the results.
2.
In mathematics a trial is...
a)
the full experiment.
b)
a legal process used to charge people with a crime.
c)
a single repeat of an experiment.
d)
when you use a particular product in a small group, initially.
3.
Random means
a)
that the choice is made so each item has an equal chance of being solved.
b)
that the choice ran the kingdom.
c)
that every option gets chosen.
d)
that the choice is made so each item has an equal chance of being chosen.
4.
You can use probability to make a
a)
Guess
b)
Prediction
c)
Solution
d)
Omelette
5.
Every experiment has...
a)
An Outcome
b)
An Input
c)
A Data set
d)
A Chance
6.
A collection of outcomes is called...
a)
A Group
b)
A Solution
c)
A Data Set
d)
An Event
7.
The ratio of the number of outcomes in the event to the total number of possible outcomes is...
a)
Outcome Likelihood
b)
Prediction
c)
Probability
d)
Chance event
8.
Sample Space is ...
a)
part of the population of outcomes.
b)
a small group in a small place.
c)
the location of the testing group.
d)
the total number of possible outcomes.
9.
What is the probability of rolling a 4 on a six-sided die?
a)
1/4
b)
1/6
c)
4/6
d)
2/3
10.
What is the probability of rolling a 9 on a six-sided die?
a)
1/9
b)
1/6
c)
6/9
d)
0
11.
What is the probability of flipping a heads on a normal coin?
a)
1/4
b)
1/2
c)
1/3
d)
2/3
12.
TRICKY: What is the probability of getting two heads when you toss two normal coins?
a)
1/4
b)
1/2
c)
1/3
d)
2/3
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