subject
Mathematics, 24.12.2019 02:31 shwubblz

Abuilding manager installs sensors to see how often people turn off the lights when they leave a room. after a month the manager has sample size of 900, a sample mean of 47%, and a sample standard deviation of 6%. what is the confidence level for a confidence interval of 46.4% to 47.6%? a. 85% b. 95% c. 68% d. 99.7%

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 19:30
Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?
Answers: 1
question
Mathematics, 21.06.2019 22:40
Select the point that is a solution to the system of inequalities. y< =-x+3 y=x^(2)-3x
Answers: 3
question
Mathematics, 21.06.2019 23:30
Drag each number to the correct location on the statements. not all numbers will be used. consider the sequence below. -34, -21, -8, 5, complete the recursively defined function to describe this sequence
Answers: 1
question
Mathematics, 22.06.2019 00:00
What is the area of the shaded sector?
Answers: 2
You know the right answer?
Abuilding manager installs sensors to see how often people turn off the lights when they leave a roo...
Questions
question
Mathematics, 17.10.2020 14:01
question
Biology, 17.10.2020 14:01
question
Mathematics, 17.10.2020 14:01
question
English, 17.10.2020 14:01
Questions on the website: 13722367