Mathematics, 06.11.2020 22:30, conroyjoann22
3. The teachers union is concerned about the amount of time teachers spend each week doing schoolwork at
home. A simple random sample of 56 teachers had a mean of 8.0 hours per week working at home after
school. Assume that the Yoopulation standard deviation is 1.5 hours per week.
a. Construct a 95% confidence interval estimate for the mean number of hours per week a teacher spends
working at home.
b. Does the confidence interval support that teachers work at home after school more than 10 hours a week?
Why or why not?
Answers: 2
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 13:40, asdf334asdf334
Acertain standardized? test's math scores have a? bell-shaped distribution with a mean of 520 and a standard deviation of 105. complete parts? (a) through? (c)
Answers: 1
Mathematics, 22.06.2019 00:00, keving4three
240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities
Answers: 1
Mathematics, 22.06.2019 00:20, kellygaytan
20 ! need ! which exponential function is represented by the table? f(x) = 0.2(0.5x)f(x) = 0.5(5x)f(x) = 0.5(0.2x)f(x) = 0.2(0.2x)
Answers: 1
Do you know the correct answer?
3. The teachers union is concerned about the amount of time teachers spend each week doing schoolwor...
Questions in other subjects:
Mathematics, 12.08.2020 05:01
