Mathematics, 27.07.2019 18:00 mervindavisk
In one region, the september energy consumption levels for single-family homes are found to be normally distributed with a mean of 1050 kwh and a standard deviation of 218 kwh if 50 different homes are randomly selected, find the probability that their mean energy consumption level for september is greater than 1075 kwh. your answer should be a decimal rounded to the fourth decimal place.
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 19:30
[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible
Answers: 1
Mathematics, 21.06.2019 21:30
Mario is constructing a frame for 10 in. by 8 in. photo. he wants the frame to be the same with all the way around in the same area of the frame and photo to be 120 square inches what is the dimension of the frame?
Answers: 1
Mathematics, 22.06.2019 00:10
A, at (-2, 4), is 6 .of a'? (-8, 4) (-8, -2) (-2, -2) (-2, 4) b, at (-4, -7), isy-.of b'? (-4, 7) (4, -7) (4, 7) (-4, -7)
Answers: 2
Mathematics, 22.06.2019 00:30
Candice uses the function f(t)=t+100−−−−−−√ to model the number of students in her after-school program. the variable t represents days and f(t) represents the number of students. how many days does it take for there to be 15 students in her program? a. 225 days b. 125 days c. 325 days d. 115 days
Answers: 2
You know the right answer?
In one region, the september energy consumption levels for single-family homes are found to be norma...
Questions
Social Studies, 24.10.2020 01:10
Health, 24.10.2020 01:10
Biology, 24.10.2020 01:10
Mathematics, 24.10.2020 01:10
English, 24.10.2020 01:10
History, 24.10.2020 01:10
Mathematics, 24.10.2020 01:10
History, 24.10.2020 01:10
Mathematics, 24.10.2020 01:10
Mathematics, 24.10.2020 01:10
