Using 90% confidence, determine how large a sample should be if he takes to estimate the average weight loss to within 2 grams
Using 90% confidence, determine how large a sample should be if he takes to estimate the average weight loss to within 2 grams
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 22SGR
Related questions
Question
![Econometrician is planning to estimate the mean weight loss of his patients. He
believes that the standard deviation of the population of weight losses is around 10
grams.
Using 90% confidence, determine how large a sample should be if he takes to
estimate the average weight loss to within 2 grams
a) None of the answers are correct
b) Approximately 88
O Approximately 78
O) Approximately 58
e) Approximately 68](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F025c86f6-3a75-413d-be7b-106741943800%2F6823d30d-be47-4c8e-9bda-eb044695ceae%2Fpg2d9fv_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Econometrician is planning to estimate the mean weight loss of his patients. He
believes that the standard deviation of the population of weight losses is around 10
grams.
Using 90% confidence, determine how large a sample should be if he takes to
estimate the average weight loss to within 2 grams
a) None of the answers are correct
b) Approximately 88
O Approximately 78
O) Approximately 58
e) Approximately 68
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