subject
Mathematics, 17.01.2020 10:31 crimsonkiss

Aresearcher collated data on americans’ leisure time activities. she found the mean number of hours spent watching television each weekday to be 2.7 hours with a standard deviation of 0.4 hours. jonathan believes that his football team buddies watch less television than the average american. he gathered data from 15 football teammates and found the mean to be 2.3. which of the following shows the correct z-statistic for this situation?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 20.06.2019 18:04
Acollege is planning to construct a rectangular parking lot on land bordered on one side by a highway. the plan is to use 680 feet of fencing to fence off the other three sides. what dimensions should the lot have if the enclosed area is to be a maximum?
Answers: 1
question
Mathematics, 21.06.2019 13:00
An advertisement is on a flyer that has a thickness of 8.2 Ă— 10-5 meters. each measurement below is the thickness of a stack of flyers. drag each measurement to the correct stack.
Answers: 2
question
Mathematics, 21.06.2019 15:30
On a architect's drawing of a house, 1 inche representa 1.5
Answers: 1
question
Mathematics, 21.06.2019 21:00
Which spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1
Answers: 3
You know the right answer?
Aresearcher collated data on americans’ leisure time activities. she found the mean number of hours...
Questions
question
English, 21.10.2019 21:00
question
Mathematics, 21.10.2019 21:00
question
History, 21.10.2019 21:00
Questions on the website: 13722363