A sample of 300 orders for take-out food at a local pizzeria found that the average cost of an order was $23 with s-$15. a) Find the margin of error for this result if you want a 95% confidence interval for the average cost of an order. Interpret for the management the margin of error. If we need to be 99% confidence, does the margin of error become larger or smaller? Find the margin of error for a 99% confidence interval. b) c) d)

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?
icon
Related questions
Question
A sample of 300 orders for take-out food at a local pizzeria found that the average cost of an
order was $23 with s-$15.
a) Find the margin of error for this result if you want a 95% confidence interval for the
average cost of an order.
Interpret for the management the margin of error.
If we need to be 99% confidence, does the margin of error become larger or smaller?
Find the margin of error for a 99% confidence interval.
b)
c)
d)
Transcribed Image Text:A sample of 300 orders for take-out food at a local pizzeria found that the average cost of an order was $23 with s-$15. a) Find the margin of error for this result if you want a 95% confidence interval for the average cost of an order. Interpret for the management the margin of error. If we need to be 99% confidence, does the margin of error become larger or smaller? Find the margin of error for a 99% confidence interval. b) c) d)
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 5 steps with 2 images

Blurred answer
Recommended textbooks for you
College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning