subject
Mathematics, 07.05.2020 05:10 chie42

The he average U. S. daily internet use at home is two hours and twenty minutes. A sample of 64 homes in Soddy-Daisy showed an average usage of two hours and 50 minutes with a standard deviation of 80 minutes. We are interested in determining whether or not the average usage in Soddy-Daisy is significantly different from the U. S. average.

1. State the null and alternative hypotheses to be tested.

2. Compute the test statistic.

3. The null hypothesis is to be tested at 95% confidence. What do you conclude?

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 16:00
Answer asap ! the shortest path from point a to point b goes through a pond. to avoid the pond, you must walk straight 34 meters along one edge of the pond, then take a 90 degree turn, and again walk straight 41 meters along another edge of the pond to reach point b. about how many meters would be saved if it were possible to walk through the pond? a. 11 m b. 20 m c. 30.45 m d. 21.73 m
Answers: 1
question
Mathematics, 21.06.2019 16:30
An empty bucket is placed under a faucet dripping at a constant rate of 4 milliliters per minute. with the given information, which of these statements is a reasonable conclusion? a there will be 24 milliliters of water in the bucket after 16 hour. b there will be 60 milliliters of water in the bucket after 14 hour. c there will be 160 milliliters of water in the bucket after 20 minutes. d there will be 100 milliliters of water in the bucket after 40 minutes.
Answers: 1
question
Mathematics, 21.06.2019 20:30
What is always true when two whole numbers are subtracted?
Answers: 1
question
Mathematics, 22.06.2019 00:20
Biggest exam of the which of the following are polynomial functions?
Answers: 1
You know the right answer?
The he average U. S. daily internet use at home is two hours and twenty minutes. A sample of 64 home...
Questions
question
Spanish, 23.02.2021 22:20
question
Mathematics, 23.02.2021 22:20
question
English, 23.02.2021 22:20
question
English, 23.02.2021 22:20
question
Mathematics, 23.02.2021 22:20
question
Mathematics, 23.02.2021 22:20
question
Mathematics, 23.02.2021 22:20
question
Mathematics, 23.02.2021 22:20
Questions on the website: 13722360