How many students like dogs AND cats but not birds?
6
Find Pr (A ∩ B)
2/10 or 1/5 or 0.2 or 20%
The 2-way table shows results from students in a class. What is the probability of randomly picking someone who is left-handed?
11/37
Describe the distribution of data
The distribution is positively skewed
How many class intervals are there?
6
A coin is flipped and a die rolled. All outcomes are shown in the tree diagram. What is the probability of getting a "Heads" and an even number?
3/12 or 1/4 or 0.25
Looking at the frequency table, which score is the mode?
3
Looking at the histogram, how many trees were included in the results?
31
A survey question asks how many cars you own. What type of data is being collected? (Continuous, Discrete, Ordinal or Nominal)
Discrete
A coin is flipped and a die rolled. All outcomes are shown in the tree diagram. What is the probability of getting a 5 on the die?
2/12 or 1/6 or 0.17
What is the mean of the following data set: 3, 8, 8, 8, 11, 17, 17
10.29
What is the median for Chicago?
10
Looking at the histogram, what is the size of each class interval?
5
What is the median?
46
Describe the distribution of data
It is a Bi-Modal distribution
How many people were surveyed?
11
What is the range?
28
Billy has won 5 of his last 30 chess games. What is the relative frequency of him winning the next game? (Answer as a decimal to 2 places)
0.17
A biased die is rolled 120 times and the results are shown in the table. What is the relative frequency of getting a number greater than 4?
40/120 or 3/4 or 0.75
What is the median for Seattle?
12.5
A normal 6-sided die is rolled 120 times. How many 6's would you expect to get?
20
What is one difference between a histogram and a column graph?
No gaps between columns
Two 6-sided dice are rolled and the numbers added. What is the probability of getting a sum of 2?
1/36 or 0.028