subject
Mathematics, 08.04.2021 23:50 naruto63

The Environmental Protection Agency (EPA) publishes fuel economy values that are known to be good estimates of the fuel economy a typical driver will achieve under average driving conditions. One of the fuel economy values the EPA publishes is a combined estimate, which represents a combination of city driving (55%) and highway driving (45%). A large car rental company has 16 Ford Explorers in their fleet. They collected fuel economy data from these cars and calculated the sample mean to be 23.29 mpg and sample standard deviation as 0.78 mpg. Required:
The car rental company is willing to assume that the conditions are met for constructing a confidence interval. Use the collected data to construct a 90% confidence interval for the mean combined fuel economy for Ford Explorers.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 16:00
Which rational number could be graphed between -4 and -5
Answers: 1
question
Mathematics, 21.06.2019 17:30
Hiroaki wants to find 3 3/4 - 7/8 explain why he must rename 3 3/4 to do the subtraction.
Answers: 3
question
Mathematics, 21.06.2019 18:10
Josh has a rewards card for a movie theater he receives 15 points for becoming a rewards card holder he earns 3.5 points for each visit to the movie theater he needs at least 55 points to earn a free movie ticket which inequality can josh use to determine x, the minimum number of visits he needs to earn his first free movie ticket.
Answers: 1
question
Mathematics, 21.06.2019 18:30
Ineed me i stuck and i don’t want to get it wrong
Answers: 1
You know the right answer?
The Environmental Protection Agency (EPA) publishes fuel economy values that are known to be good es...
Questions
question
Chemistry, 28.09.2019 23:00
question
Mathematics, 28.09.2019 23:00
question
Physics, 28.09.2019 23:00