Mathematics, 18.05.2021 01:00 tylorwsimmons
Please help me asap
The batteries from a certain manufacturer have a mean lifetime of 890 hours, with a standard deviation of 90 hours. Assuming that the lifetimes are normally
distributed, complete the following statements.
(a) Approximately 95% of the batteries have lifetimes between___hours and___
hours.
(b) Approximately _?_
of the batteries have lifetimes between 620 hours and 1160 hours.
Answers: 3
Another question on Mathematics
Mathematics, 21.06.2019 17:20
Which system of linear inequalities is represented by the graph? x-3y > 6 and y? 2x + 4 x + 3y > 6 and y? 2x - 4 x - 3y > 6 and y? 2 - 4 x + 3y > 6 and y > 2x + 4 no be 2 -1.1 1 2 3 4 5 submit save and exit next mark this and retum be
Answers: 1
Mathematics, 21.06.2019 17:40
Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane
Answers: 2
Mathematics, 21.06.2019 19:30
Is the power produced directly proportional to the wind speed, give reasons for your answer?
Answers: 1
Mathematics, 21.06.2019 23:20
Predict which statements are true about the intervals of the continuous function. check all that apply
Answers: 3
You know the right answer?
Please help me asap
The batteries from a certain manufacturer have a mean lifetime of 890 hours, wi...
Questions
Advanced Placement (AP), 13.05.2021 22:40
Mathematics, 13.05.2021 22:40
Mathematics, 13.05.2021 22:40
Social Studies, 13.05.2021 22:40
Mathematics, 13.05.2021 22:40
Arts, 13.05.2021 22:40
Mathematics, 13.05.2021 22:40
Mathematics, 13.05.2021 22:40
