subject
Mathematics, 27.06.2019 14:50 annette211pdd8v9

Abuilding manager installs sensors to see how often people turn off the lights when they leave the room. after a month the manager has a sample size of 625, a sample mean of 47%, and a sample standard deviation of 5%. what is the confidence level for a confidence interval of 46.8% to 47.2%? a. 85% b. 99.7% c. 95% d. 68%

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 17:10
Which of the following expressions is equal to 2x^2+8
Answers: 2
question
Mathematics, 21.06.2019 21:00
Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)
Answers: 1
question
Mathematics, 22.06.2019 00:30
What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio
Answers: 1
question
Mathematics, 22.06.2019 01:00
You have just applied, and have been approved for a $58,000 mortgage. the rate quoted to you by the lender is 6.1% for a 30 year fixed mortgage. determine how much of your third month’s payment goes towards the principal. $56.65 $56.93 $57.22 $57.51
Answers: 2
You know the right answer?
Abuilding manager installs sensors to see how often people turn off the lights when they leave the r...
Questions
question
Social Studies, 23.07.2019 00:00
question
Mathematics, 23.07.2019 00:00
Questions on the website: 13722361