c. Construct a 95% one-sided confidence bound, provide the margin of error. Interpret. d. Assuming that the population is normally distributed, test to see if the mean of the population is at least 30 grams. Using .01 level of significance e. Applying to the same hypotheses, use a .075 level of significance.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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Please answer letter c,d, and e. Thank you!

ots) Bottles of a coffee powdered drink from Hescafé are marked "30 grams". It was determined from the sample of 36
randomly selected cans that the mean weight of the content is 27.5 grams and the standard deviation is 7.5 grams.
a. Determine the standard error
b. Construct a 95% confidence interval, provide the margin of error.
c. Construct a 95% one-sided confidence bound, provide the margin of error. Interpret.
d. Assuming that the population is normally distributed, test to see if the mean of the population is at least 30 grams.
Using .01 level of significance
e. Applying to the same hypotheses, use a .075 level of significance.
Transcribed Image Text:ots) Bottles of a coffee powdered drink from Hescafé are marked "30 grams". It was determined from the sample of 36 randomly selected cans that the mean weight of the content is 27.5 grams and the standard deviation is 7.5 grams. a. Determine the standard error b. Construct a 95% confidence interval, provide the margin of error. c. Construct a 95% one-sided confidence bound, provide the margin of error. Interpret. d. Assuming that the population is normally distributed, test to see if the mean of the population is at least 30 grams. Using .01 level of significance e. Applying to the same hypotheses, use a .075 level of significance.
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