Panthers
Alligators
Armadillos
Dogs
Cats
100
Probability happens between what 2 numbers?
Between 0 and 1.
100
Percent means per _______________.
hundred
100
Name one way to change a fraction to a percent.
Change the fraction to a decimal, then move the decimal two places to the right.
100
Change this decimal to a percent: .358
Do not round.
35.8 %
100
Change this fraction to a percent:
9/10
90%
200
Jarrod manages a muffin and scones shop. He surveyed locals on whether they preferred muffins or scones. The results are summarised in this table.
Which age group prefers scones to muffins?
People aged over 30
200
Jarrod manages a muffin and scones shop. He surveyed locals on whether they preferred muffins or scones. The results are summarised in this table.
Overall, which item do Jarrod's customers prefer?
Muffins
200
Jarrod manages a muffin and scones shop. He surveyed locals on whether they preferred muffins or scones. The results are summarised in this table.
How many of the people who prefer scones are over 30 years old?
36
200
This table shows the smoking habits of the adult population of Nelson Waters.
What value is missing from i?
5900
200
This table shows the smoking habits of the adult population of Nelson Waters.
What value is missing from ii?
16,100
300
Jarrod manages a muffin and scones shop. He surveyed locals on whether they preferred muffins or scones. The results are summarised in this table.
What percentage of people aged 30 or younger prefer muffins?
80%
300
This table shows the smoking habits of the adult population of Nelson Waters.
What value is missing from iii?
11,000
300
This table shows the smoking habits of the adult population of Nelson Waters.
What value is missing from iv?
11,000
300
This table shows the smoking habits of the adult population of Nelson Waters.
What value is missing from v?
22,000
300
This table shows the smoking habits of the adult population of Nelson Waters.
What fraction of the adults smoke? Simplify your fraction.
59/220
400
This table shows the smoking habits of the adult population of Nelson Waters.
What percentage of the adults are non-smokers?
73%
400
Simon runs a cafe. He recorded data about who buys hamburgers and chicken wraps.
Calculate the missing totals.
i) 120
ii) 95
iii) 108
iv) 215
400
Simone runs a cafe. He recorded data about who buys hamburgers and chicken wraps.
How many females bought chicken wraps?
64
400
Simon runs a cafe. He recorded data about who buys hamburgers and chicken wraps.
What percentage of customers bought hamburgers?
50%
400
Simone runs a cafe. He recorded data about who buys hamburgers and chicken wraps.
What percentage of men bought chicken wraps?
36%
500
This table shows the smoking habits of the adult population of Nelson Waters.
What percentage of the adult women who live in Nelson Waters are smokers?
22%
500
Simon runs a cafe. He recorded data about who buys hamburgers and chicken wraps.
Simon is expecting a busload of men's football teams to visit the cafe. Should he prepare more hamburgers or chicken wraps?
Hamburgers.
500
Police are testing a new lie detector machine. The results are shown in this table.
What are the missing values in i to v?
i) 80
ii) 10
iii) 75
iv) 45
v) 120
500
Police are testing a new lie detector machine. The results are shown in this table.
For how many statements did the machine correctly determine whether the statement was true or false?
75
500
Police are testing a new lie detector machine. The results are shown in this table.
What percentage of true statements were incorrectly identified by the machine?
19%