Probability
Fractions
Percentages
Decimals
Chance + Data
100
Dog: 42 Cat: 21 Horse: 86 Cow: 79 TOTAL: 228 What is the probability of cats?
21/228
100
What is this percentage as a fraction? NOT -/100 40%
2/5
100
What is 1/2 as a percentage?
50%
100
What is 40% as a decimal?
0.4
100
What is expected frequency?
Expected frequency is what you predict will happen BEFORE the test is taken.
200
If there was a total of 200 spins on a spinner and it landed on blue 46 times. What is the probability?
46/200
200
What is 50% as a fraction?
1/2, 2/4, 4/8 etc
200
What is 3/4 as a percentage?
75%
200
What is 2/5 as a decimal?
40%
200
What is relevant frequency?
Relevant frequency is the actual results and what actually happened.
300
What is the probability of getting a 2 or a 5 when a die is rolled?
2/6 or 1/3
300
What is 150% as a fraction?
1 1/2
300
What is 9/8 as a percentage?
112.5%
300
What is 3/4 as a decimal?
0.75
300
What is another word for relative frequency?
Observed frequency
400
What is the probability of finding a black card or a 6 from a deck of 52 cards?
28/52 = 7/13 Black card: 26/52 Selecting a 6: 4/52 - 2/52 BUT TWO OF THE 6's are RED CARDS 26/52 + 2/52 = 28/52
400
What is 110% as a fraction?
11/10
400
What is 4/5 as a percentage?
80%
400
What is 4/25 as a decimal?
16%
400
What are some possible chance and data terminology?
Likely, unlikely, 50/50, equal chance, certain etc.
500
What is the probability of the occurrence of a number that is odd or less than 5 when a fair die is rolled?
3/6 (odd numbers = 1,3 and 5) 4/6 (numbers less than 5 = 1,2,3 and 4) 2/6 (numbers that are both odd and less than 5 = 1 and 3) 3/6 + 4/6 - 2/6 = 5/6.
500
What is 310% as a fraction?
3 1/10
500
What is 5/2 as a percentage?
250%
500
What is 70/200 as a decimal?
35%
500
What type of chance and data experiments can we conduct?
Rolling a die Spinning a coloured spinner Taking out marbles from bag Tossing a coin
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