Mathematics, 18.12.2019 02:31 mariap3504
One hundred eight americans were surveyed to determine the number of hours they spend watching television each month. it was revealed that they watched an average of 151 hours each month with a standard deviation of 32 hours. assume that the underlying population distribution is normal.
construct a 99% confidence interval for the population mean hours spent watching television per month.
fill in the blank: round to two decimal places. ( , )
Answers: 3
Mathematics, 21.06.2019 18:30
The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?
Answers: 1
Mathematics, 21.06.2019 21:00
On average a herd of elephants travels 10 miles in 12 hours you can use that information to answer different questions drag each expression to show which is answers
Answers: 3
Mathematics, 21.06.2019 22:30
There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?
Answers: 2
One hundred eight americans were surveyed to determine the number of hours they spend watching telev...
Mathematics, 16.10.2020 16:01
History, 16.10.2020 16:01
Mathematics, 16.10.2020 16:01
Mathematics, 16.10.2020 16:01
Biology, 16.10.2020 16:01
Mathematics, 16.10.2020 16:01
Mathematics, 16.10.2020 16:01
Mathematics, 16.10.2020 16:01
English, 16.10.2020 16:01
Social Studies, 16.10.2020 16:01