olve the following problems. Write your answer on your answer 1. You want to estimate the mean gasoline price within your error of 6 centavos. Local newspaper reports the standard the area is 24 centavos. What sample size is needed to esti at 90% confidence level? Daniel wants to replicate a study where the highest lowest

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
icon
Related questions
Question
Activity 5
Solve the following problems. Write your answer on your answer sheet.
1. You want to estimate the mean gasoline price within your town to the margin of
error of 6 centavos. Local newspaper reports the standard deviation for gas price in
the area is 24 centavos. What sample size is needed to estimate the mean gas prices
at 90% confidence level?
2. Daniel wants to replicate a study where the highest lowest observed value is 14.8
while the lowest is 12.4. He wants to estimate the population mean u to the margin
of error of 0.026 of its true value. Using 99% confidence level, find the sample size n
that he needs.
Transcribed Image Text:Activity 5 Solve the following problems. Write your answer on your answer sheet. 1. You want to estimate the mean gasoline price within your town to the margin of error of 6 centavos. Local newspaper reports the standard deviation for gas price in the area is 24 centavos. What sample size is needed to estimate the mean gas prices at 90% confidence level? 2. Daniel wants to replicate a study where the highest lowest observed value is 14.8 while the lowest is 12.4. He wants to estimate the population mean u to the margin of error of 0.026 of its true value. Using 99% confidence level, find the sample size n that he needs.
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill