Question 1
0 out of 8.33333 points
At a certain college, P(smoke) = 0.06.
Give P(Four random students, no one smokes).
Round to three decimals.
Selected
[None Given]
Answer:
Correct
0.781
Answer:
Ans
Question 1
5 out of 5 points
Use the following table to answer conditional probability questions.
Live with Parents
Own
Rent
Something Else
Total
Female
50
12
15
4
81
Male
39
5
4
1
49
Total
89
17
19
5
Open up the "2012 Orioles" dataset on StatCrunch.
There are multiple questions for this dataset, so don't close it.
*
We're going to predict "Total Bases" (more is better) based on "Plate Appearances"
Question 1
0 out of 11.11111 points
We'd like to predict the number of countries a student has
visited,
based on the number of states a student has visited.
Calculate the slope using the formula.
We
Question 1
0 out of 10 points
Open up the "Law School Tuition" dataset on StatCrunch.
Make a scatterplot of x = "Class Size" vs. y = "Yearly Tuition".
Based on the scatterplot and the value of the co
Question 1
5 out of 5 points
Open up the "Honshu Japan Earthquake" dataset on StatCrunch.
Calculate the summary statistics for "NST" = "Number of Stations" reporting earthquake activity.
Careful:
Supp
Open up the "Neighborhood" dataset on StatCrunch.
Enter your answers exactly as StatCrunch provides them. Do not round or you will lose points.
For the variable "Square Footage", calculate the followi
Question 1
10 out of 10 points
Open up the "Darts" dataset on StatCrunch. You can see the results of a small experiment.
The point of the experiment was to see if there was a "Hand" effect or a "Dista
Directed customers by escorting them to racks and counters and suggested items, persuaded
customers to purchase fragrances, helped customers make selections by building confidence and
offering suggest
Question 1
10 out of 10 points
Open up the "General Social Survey 2008" dataset on StatCrunch.
Make a pie chart for "Highest Degree", grouped by "Race".
What percentage of Blacks surveyed have exactl