subject
Mathematics, 29.07.2019 19:20 von2001

The standard deviation of the lifetimes of a sample of 200 electric light bulbs was computed to be 100 hours. find (a) 95% and (b) 99% confidence intervals for the standard deviation of all such light bulbs.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 15:00
How to determine whether two known pairs of points are on the same line.
Answers: 2
question
Mathematics, 21.06.2019 16:00
Will give brainliest what is the value of x? enter your answer in the box.
Answers: 1
question
Mathematics, 21.06.2019 17:30
Nine more than four times a number is the same as one less than twice the number. find the number?
Answers: 1
question
Mathematics, 21.06.2019 18:00
What is the missing step in this proof ?
Answers: 1
You know the right answer?
The standard deviation of the lifetimes of a sample of 200 electric light bulbs was computed to be 1...
Questions
question
English, 17.07.2021 02:30
question
Biology, 17.07.2021 02:30
question
Mathematics, 17.07.2021 02:30
question
Mathematics, 17.07.2021 02:30
question
Mathematics, 17.07.2021 02:30
question
Arts, 17.07.2021 02:30