Please help on EXERCISE 4 ONLY
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 58E: What is meant by the sample space of an experiment?
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Please help on EXERCISE 4 ONLY
Transcribed Image Text:Exercise 3
An employment counselor found that in a sample of 100 unemployed workers, 65% were not
interested in returning to work. Find the 95% confidence interval of the true proportion of
workers who do not wish to return to work.
Exercise 4
The sugar content (in grams) for a random sample of 4-ounce containers of applesauce is
shown below. Find the 99% confidence interval for (a) the population variance and standard
deviation and (b) the population mean. Assume the variable is normally distributed.
18.6
19.5
20.2
20.4
19.3
21.0
20.3
19.6
20.7
18.9
22.1
19.7
20.8
18.9
20.7
21.6
19.5
20.1
20.3
19.9
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