Probability
State an event that is impossible to occur:
Many answers possible.
Identify which is the outlier:
7, 8, 9, 2, 49, 3, 5, 2
49.
Calculate the mode:
11, 17, 13, 12, 11, 9, 11.
11.
Shoe Size is an example of ______________ data.
Numerical or Quantitative.
What is:
1000 + 40 + 1000 + 30 + 1000 + 20 + 1000 + 10
4100.
List the sample space when rolling a dice:
{1, 2, 3, 4, 5, 6}
Look at the stem and leaf plot Mr V provided and calculate the median:
30.
Calculate the range:
13, 13, 14, 21, 52, 38, 13.
39.
The most common number is called the ____________.
Mode.
Calculate 47 x 26
1222.
There are 18 AFL Teams. The Eagles and Dockers are both West Australian. What is the probability that a WA club wins the Grand Final next year?
2
--
18.
Study the dot plot shown by Mr V and calculate the average to 2 decimal places.
3.63.
Calculate the median:
11, 12, 14, 16, 18, 19, 21.
16.
A graph with no spaces between the bars is called a frequency __________________.
Histogram.
How many 50c pieces are needed to make $100?
200.
The new student, Richard, comes to Broome Senior High School at the start of next year. What is the probability he does not end up in Durack?
3
--
4
Calculate the median:
14, 2, 6, 9, 10, 4, 2, 12.
7.5
Calculate the average:
7, 8, 13, 12, 35, 5, 11.
13.
What word describes the chance of pulling out an Ace of Spades in a pack of cards?
Unlikely.
A fridge costs $200 more than a mini-fridge. Together they cost $1000. Calculate the cost of the mini-fridge.
$400.
There are 25 marbles in a bag. 6 are red, 3 are blue, 2 are red and the rest are black. What is the probability of choosing a black marble?
14
---
25
Johnny's Test results were as follows:
Test One - 65%
Test Two - 80%
Test Three - 30%
What does he need on Test 4 to average 55%.
45%.
Calculate the mode:
6, 5, 4, 3, 1, 2, 3, 2, 5, 0, 9, 7, 2, 3.
2 and 3.
A number much larger or smaller than the rest of the numbers in a set is called a _________________.
Outlier.
18÷3+(4×2)2−5
65.