Mathematics
Mathematics, 04.06.2021 14:00, SweetBriar

2. A survey of 400 statistics professors was undertaken. Each professor was asked how much time was devoted to teaching graphical techniques. We believe that the times are normally distributed with a standard deviation of 30 minutes. The average time of the survey is 120 minutes. Estimate the population mean with 95% confidence.

answer
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 16:30, enchantednights
Look at attachment. has all info needed. need
Answers: 1
image
Mathematics, 21.06.2019 19:00, 19King73
The liabilities of cullumber are $99,000. owner’s capital is $143,000; drawings are $96,000; revenues, $467,000; and expenses, $301,000. what is the amount of cullumber company’s total assists?
Answers: 1
image
Mathematics, 21.06.2019 19:30, mostman077
Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5
Answers: 1
image
Mathematics, 21.06.2019 21:00, nell1234565
A25- foot ladder leans against a building and reaches a point of 23.5 feet above the ground .find the angle that the ladder makes with the building
Answers: 2
Do you know the correct answer?
2. A survey of 400 statistics professors was undertaken. Each professor was asked how much time was...

Questions in other subjects: