subject
Mathematics, 04.04.2020 11:07 preguntassimples

A study has indicated that the sample size necessary to estimate the average electricity use by residential customers of a large western utility company is 900 customers. Assuming that the margin of error associated with the estimate will be ±30 watts and the confidence level is stated to be 90 percent, what was the value for the population standard deviation?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 16:00
What two criteria are needed for triangles to be similar
Answers: 2
question
Mathematics, 21.06.2019 17:40
A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2
Answers: 2
question
Mathematics, 22.06.2019 00:00
The probability that a tutor will see 0, 1, 2, 3, or 4 students is given below determine the probability distribution's missing value.
Answers: 1
question
Mathematics, 22.06.2019 00:00
28 x 12 + 34 = ? it's for a test that if i fail on i will not proceed into the honor roll society i always dreamed of!me! worth 50 !
Answers: 1
You know the right answer?
A study has indicated that the sample size necessary to estimate the average electricity use by resi...
Questions
question
Mathematics, 28.07.2019 22:30
question
World Languages, 28.07.2019 22:30
question
History, 28.07.2019 22:30
Questions on the website: 13722367