A 99% t-based confidence interval for the mean price for a gallon of gasoline (dollars) is calculated using a simple random sample of gallon gasoline prices for 50 gas stations. Given that the 99% confidence interval is $3.32 < µ < $3.98, what is the sample mean price for a gallon of gasoline (dollars)? Please select the best answer of those provided below Select one: a. Not Enough Information; we would need to know the variation in the sample of gallon gasoline prices b. Not Enough Information; we would need to know the variation in the population of gallon gasoline prices C. $0.33 d. $3.65
A 99% t-based confidence interval for the mean price for a gallon of gasoline (dollars) is calculated using a simple random sample of gallon gasoline prices for 50 gas stations. Given that the 99% confidence interval is $3.32 < µ < $3.98, what is the sample mean price for a gallon of gasoline (dollars)? Please select the best answer of those provided below Select one: a. Not Enough Information; we would need to know the variation in the sample of gallon gasoline prices b. Not Enough Information; we would need to know the variation in the population of gallon gasoline prices C. $0.33 d. $3.65
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A 99% t-based confidence interval for the mean price for a gallon of gasoline (dollars) is calculated
using a simple random sample of gallon gasoline prices for 50 gas stations. Given that the 99%
confidence interval is $3.32 < µ < $3.98, what is the sample mean price for a gallon of gasoline
(dollars)? Please select the best answer of those provided below
Select one:
a. Not Enough Information; we would need to know the variation in the sample of gallon
gasoline prices
b. Not Enough Information: we would need to know the variation in the population of gallon
gasoline prices
C. $0.33
d. $3.65
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