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KS3: Probability: revision Flashcards | StudBud
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KS3: Probability: revision
KS3: Probability: revision
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#maths! #fun! #dream,believe,succeed! Learning, having fun!
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Questions
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Answers
1
What is the probability of not choosing a yellow card?
4/6
2/5
1/6
2/6
2
what is the chance that at leased one thing in the world is impossible (in a % )
99%
0%
100%
1%
3
If a card is chosen from a pack of 52. What is the probability of it not being a Jack?
4/52
48/52
5/52
49/52
4
Many proccess are said to be RANDOM. This means that the result is not
unpredictable
Predictable
5
Martha plays tennis match. The probability of her winning is 3/4. What is it of her losing?
2/4
3/4
1/4
4/4
6
I spin a coin and get
75% heads
. How can i find out if the coin is biased?
If the next spin is a head, it's biased!
Spin it lots more times and see if it stays 75%
We already know it's biased so we don't need to do anything
Flip it whilst cooking pasta
7
If I rolled a dice 300 times. How many 6's would I expect?
150
50
300
60
8
How many outcomes are there when rolling two dice?
32
38
34
36
9
Probability can be written as...
Decimals or Fractions
Fractions, percentages or decimals
Fractions or percentages
Decimals or Percentages
10
What was this about. Who made it? How many mathematic questions?
1) Probability 2) Martha 3) 11
1) Statistics 2) Kira 3) 10
1) Probability 2)Martha 3) 13
1) Geometry and Measures 2) Martha 3) 11
11
A team win 7 of 20 matches. What is their relative frequency?
7/20
35/100
35%
0.35
12
Listen to Lucas.
0.25
0.83
1.00
0.00
13
I roll a dice 300 times. I roll a 3, 4o times, what is my experimental probability?
2/15
50/300
4/30
1/6
14
What is the probability of me choosing the number shown on the following dice.
1/4
1/6
4/6
6/4
