subject
Mathematics, 02.04.2020 01:10 alaynaakrie9151

The amount of time a certain brand of light bulb lasts is normally distributed with a

mean of 2000 hours and a standard deviation of 55 hours. What percentage light bulbs last less than 2080 hours, to the nearest tenth?

ansver
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 12:30, MadisonElle
Write a recursive sequence that represents the sequence defined by the following explicit formula:
Answers: 1
image
Mathematics, 21.06.2019 17:00, deniseelyons15
Yosef can eat 21 jamuns while rose can eat just 15 . complete the blank. yosef can eat % more jamuns than rose.
Answers: 1
image
Mathematics, 21.06.2019 17:30, flax05
The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?
Answers: 2
image
Mathematics, 21.06.2019 19:00, fatherbamboo
What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?
Answers: 1
You know the right answer?
The amount of time a certain brand of light bulb lasts is normally distributed with a

me...

Questions in other subjects: