subject
Mathematics, 25.03.2021 05:20 quissowavyquis4808

The amount of time a certain brand of light bulb lasts is normally distributed with a mean of 1600 hours and a standard deviation of 70 hours. Using the empirical rule,
determine what interval of hours represents the lifespan of the middle 99.7% of light
bulbs.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 13:50
Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?
Answers: 1
question
Mathematics, 21.06.2019 15:00
Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2
Answers: 3
question
Mathematics, 21.06.2019 19:10
What is the anwers for 9+2x=5x-3-x
Answers: 2
question
Mathematics, 21.06.2019 21:00
From the beginning of the day the temperature rose 15 degrees so that by 4 pm it was 87 degrees. what was the temperature at the start of the day
Answers: 1
You know the right answer?
The amount of time a certain brand of light bulb lasts is normally distributed with a mean of 1600...
Questions
question
Social Studies, 22.04.2020 22:12
question
Chemistry, 22.04.2020 22:13
Questions on the website: 13722361