Mathematics, 05.01.2020 06:31 bella8751
Astudy of one thousand teens found that the number of hours they spend on social networking sites each week is normally distributed with a mean of 10 hours. the population standard deviation is 2 hours. what is the 95% confidence interval for the mean?
a) 9.88-10
b) 10-10.12
c) 9.88-10.12
d) 9.76-10.24
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 15:30
Sunday: 1 1 2 monday: 1 tuesday: 2 1 2 wednesday: 1 3 4 thursday: 2 friday: 1 1 2 saturday: 2 jenna is a swimmer and trains every day. the schedule shown outlines the number of hours she trains each day. what is the total number of hours that jenna trains during the week?
Answers: 3
Mathematics, 21.06.2019 23:30
Tim earns $120 plus $30 for each lawn he mows.write an iniqualityvto represent how many lawns he needs to mow to make more than $310
Answers: 2
Mathematics, 22.06.2019 02:30
Mr. jones determined that the equation y = 98 - 16/5 x could be used to predict his students' unit test scores, based on the number of days, x, a student was absent during the unit. what was the meaning of the y-intercept of the function? (by the way the 16/5 is a )
Answers: 3
You know the right answer?
Astudy of one thousand teens found that the number of hours they spend on social networking sites ea...
Questions
English, 26.06.2020 19:01
Mathematics, 26.06.2020 19:01
Biology, 26.06.2020 19:01
Mathematics, 26.06.2020 19:01
Biology, 26.06.2020 19:01
Chemistry, 26.06.2020 19:01
