Introductory Statistics
1st Edition
ISBN: 9781938168208
Author: Barbara Illowsky, Susan Dean
Publisher: OpenStax College
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Textbook Question
Chapter 8, Problem 104H
In six packages of The Flintstones Real Fruit Snacks there were five Barn-Barn snack pieces. The toal number of snack pieces in the six bags was 68. We wish to calculate a 96°o confidence interval for the population proportion of Barn-Barn snack pieces.
a. Define the random variables X and P
b. Which distribution should you use for this problem? Explain your choice
c. Calculate p.
d. Construct a 96% confIdence Interval for the population proportion of Barn-Barn snack pieces per bag.
I. State the confidence Interval.
II. Sketch the graph.
Iii. Calculate the error bound.
e. Do you think that six packages of fruit snacks yield enough data to give accurate results? Why or why not?
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Chapter 8 Solutions
Introductory Statistics
Ch. 8 - Suppose we have data from a sample. The sample...Ch. 8 - Suppose average pizza delivery times are normally...Ch. 8 - Table 8.2 shows a different random sampling of 20...Ch. 8 - Refer back to the pizza-delivery Try It exercise....Ch. 8 - Refer back to the pizza-deliver Try It exercise....Ch. 8 - Suppose we know that a confidence interval is...Ch. 8 - The population standard deviation for the height...Ch. 8 - You do a study of hypnotherapy to determine how...Ch. 8 - A random sample of statistics students were asked...Ch. 8 - Suppose 250 randomly selected people are surveyed...
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