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Duplicate of Year 8 - Probability and Statistics Flashcards | StudBud
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Duplicate of Year 8 - Probability and Statistics
Duplicate of Year 8 - Probability and Statistics
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Year 8 - Probability and Statistics
Flashcards
41 cards
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Questions
41
Answers
1
what colour has the highest probability of occurring?
red
blue
purple
green
2
What word is
NOT
typically used to describe probability?
very likely
impossible
even chance
maybe
3
What is the probaility of NOT getting blue
3/4
2/3
1/4
1/3
4
If I wanted to flip a coin several times to see what i would get. what Is this called?
A trial
An experiment
5
How many trials is there if i flip one coin four times?
3
1
2
4
6
what is the probability of rolling higher than a 4 using a standard dice?
1/6
2/6
4/6
3/6
7
If these marbles were in a bag, What is the probability of picking a red or black at random?
4/5
1/5
1/2
2/3
8
when something has absolutely no chance of occurring we say it has ______ chance of happening?
little
100%
zero
massive
9
What is the probability of getting red
OR
green on this spinner
3/4
2/4
1/4
2/3
10
what is the probability of rolling an 8 with a standard dice
8
1/6
1
0
11
if i was to flip a coin 100 times, how many times would you expect to get tails
50
1
100
2
12
How many trials is there if i flip one coin four times?
2
4
1
3
13
Sally rolled a dice and declared "i got a six" what would "rolling a six" be reffered to as?
event
the outcome
Trial
Probability
14
If these marbles were in a bag, What is the probability of
NOT
picking a GREEN at random?
8/10
2/10
7/10
3/10
15
What is the definition of 'Outcome"
Flipping a coin or rolling a dice
One of the possabilities that will occur during an event
A measure of the likelihood of an event will occur.
The result of a single trial
16
what is the probability of rolling an even number with a standard dice
6/6
3/6
2/6
1/6
17
what is the probability of getting green on this spinner
even chance
impossible
certain
likely
18
what is the probability of getting heads when flipping a coin
even chance
certain
impossible
likely
19
If these marbles were in a bag, What is the probability of picking a red or black at random?
5/10
2/3
8/10
2/10
20
if i flipped two coins at once, what is the probability of getting two heads?
2/1
1/4
impossible
1/2
21
The formula for probability is?
(number of trials) ÷ (number of outcomes)
(number of desired outcomes) ÷ (number of total outcomes)
(number of total outcomes) ÷(number of trials)
(number of trials) ÷ (number of events)
22
If these marbles were in a bag, What is the probability of picking a BLUE at random?
unlikely
certain
likely
impossible
23
Find Pr(
NOT
yellow)
1/5
1/8
4/5
7/8
24
What is the probability of getting green, blue, red, or a yellow on the next spin?
even chance
likely
certain
impossible
25
If these marbles were in a bag, What is the probability of
NOT
picking a black at random?
3/10
2/3
7/10
1/3
26
What is the probability of rolling a six using a standard dice?
1
6
1/6
0
27
What is the probability of getting yellow on this spinner?
0.25
0.51
1
0
28
Find Pr(blue
OR
red)
4/8
2/5
2/8
6/8
29
what is the definition of a "trial"?
A number between 0 and 1
A measure of the likelihood that an event will occur.
A collection of all possible end results
One run (or attempt) of an experiment. (eg rolling a dice)
30
what is the probability of rolling higher than a four.
6 out of 4
1 out of 6
4 out 6
2 out of 6
31
what is the sample space of a coin
1,2
$1
2
heads, tails
32
what is the probability of rolling two dice and getting a score of two?
1/6
1/12
2/6
1/36
33
If I flip a coin four times, what would one flip be called
an experiment
a trial
34
Find the probability of getting blue
1/5
3/8
3/5
1/2
35
Probability of an event is normally measured from which two numbers
1 and 6
0 and 10
1 or 2
0 and 1
36
If these marbles were in a bag, What is the probability of
NOT
picking a red at random?
2/3
1/5
5/5
1/2
37
find Pr(blue)
1/5
1/2
3/5
3/8
38
What is the definition of sample space
A selection of some possible outcomes
The list of all possible outcomes that can occur.
Flipping a coin or rolling a dice.
One attempt at conducting an experiment.
39
How many outcomes are there on a typical coin?
tails
heads
1
2
40
What is the sample space for the roll of a dice?
1,2,3,4,5,6
the dice
one
six
41
If all these marbles were in a bag. What is the probability a green is selected at random?
1/3
5/10
3/10
2/10
