Statistics Lab 4
Part 1.
1.
What is the probability of a cereal being high calorie?
High Calorie = 53
Total = 84
53/84 =
0.630952381
63%
2.
What is the probability of a cereal being high fiber?
High Fiber = 22
Total = 84
22/84 =
0.261904762
26%
3.
What is the probability of a cereal being high calorie and high fiber?
High Fiber & High Calorie = 18
Total = 84
18/84 =
0.214285714
21%
4.
What is the probability of a cereal being high calorie or high fiber?
High Calorie = 53
High Fiber = 22
High Fiber & High Calorie = 18
Total = 84
53 + 22 – 18 / 84 =
0.678571429
67%
5.
What is the probability of a cereal being high calorie given that it is high fiber?
High Fiber & High Calorie = 18
High Fiber = 22
18 / 22 =
0.818181818
81%
6.
What is the probability of a cereal being high calorie given that it is low fiber?
High Fiber & Low Calorie = 4
High Fiber = 22
4 / 22 =
0.181818182
18%
7.
Regarding Questions 5 and 6, how might you interpret this information as a
consumer?
The higher the cereal’s fiber type, the more calories the cereal would contain.
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
8.
Using the Simple Test of Independence, decide if the events high calorie and high
fiber are independent or dependent. Show your work.
This is the end of the preview.
Sign up
to
access the rest of the document.
 Spring '08
 Forgot
 Statistics, Probability, Dietary Fiber, Food energy, quinoa, high fiber, high calorie

Click to edit the document details