Mathematics, 17.04.2021 16:30 mya1318
A researcher is interested in finding a 95% confidence interval for the mean number minutes students are concentrating on their professor during a one hour statistics lecture. The study included 150 students who averaged 42 minutes concentrating on their professor during the hour lecture. The standard deviation was 12 minutes.
Round your answers to two decimal places.
A. The sampling distribution follows a distribution.
B. With 95% confidence the population mean minutes of concentration is between and minutes.
C. If many groups of 150 randomly selected students are studied, then a different confidence interval would be produced from each group. About percent of these confidence intervals will contain the true population mean number of minutes of concentration and about percent will not contain the true population mean number of minutes of concentration.
Answers: 2
Mathematics, 21.06.2019 13:20, payshencec21
The ratio of two numbers is 5 to 4. the sum of the numbers is 99. what number is the greater of the two numbers?
Answers: 1
Mathematics, 21.06.2019 15:50, tylerwayneparks
(08.01)consider the following pair of equations: x + y = −2 y = 2x + 10 if the two equations are graphed, at what point do the lines representing the two equations intersect? (−4, 2) (4, 2) (−2, 4) (2, 4)
Answers: 2
Mathematics, 21.06.2019 19:00, munozgiselle
If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9
Answers: 2
A researcher is interested in finding a 95% confidence interval for the mean number minutes students...
Mathematics, 13.02.2020 18:57
Health, 13.02.2020 18:57