Mathematics, 16.04.2020 21:24, ovengel12
Media Metrix, Inc. tracks Internet users in seven countries: Australia, Great Britain, Canada, France, Germany, Japan, and the United State. According to resent measurement figures, American home users rank first in Internet usage with a mean of 14 hours per month. Assume that in a following-up study involving a sample of 205 Canadian Internet users, the sample mean was 12.8 hours per month and the sample standard deviation was 6.2 hours. a. Formulate the null and alternative hypotheses that can be used to determine whether the sample data support the conclusion that Canadian Internet users have a population mean less than the U. S. mean of 14 hours per month.
Answers: 3
Mathematics, 21.06.2019 15:00, zahradawkins2007
In a circle, a 45° sector has an area of 32π cm2. what is the radius of this circle? 32 cm 12 cm 16 cm 8 cm
Answers: 3
Mathematics, 21.06.2019 18:30, FailingstudentXD
Do some research and find a city that has experienced population growth. determine its population on january 1st of a certain year. write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a period of exponential growth. describe the variables and numbers that you used in your equation.
Answers: 3
Mathematics, 21.06.2019 20:00, Irenesmarie8493
The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250
Answers: 3
Media Metrix, Inc. tracks Internet users in seven countries: Australia, Great Britain, Canada, Franc...
Chemistry, 25.08.2019 16:00
Mathematics, 25.08.2019 16:00
Geography, 25.08.2019 16:00
Mathematics, 25.08.2019 16:00
History, 25.08.2019 16:00