Mathematics, 03.04.2020 01:48 gavergan
"Bacteria in a culture can live for an average of two hours with a standard deviation of 15 minutes. How long can we expect at least 75% of the bacteria to live?"
1. What is the mean? x=___ hours = ___ minutes (Convert the number of hours to minutes.)
2. What is the standard deviation? s= ___ minutes
3. According to Chebyshev's Theorem, how many standard deviations contain at least 75% of the data? k= ___
4. We can expect the at least 75% of the bacteria to live between ___
and ___ minutes.
Answers: 1
Mathematics, 21.06.2019 22:00
Which is the correct first step in finding the area of the base of a cylinder with a volume of 26x cubic meters and a height of 6.5 meters? v=bh 6.5=b(26x) v=bh v=26pi+(6.5) v=bh v=26pi(6.5) v=bh 26pi=b(6.5)
Answers: 1
Mathematics, 21.06.2019 22:30
21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?
Answers: 1
Mathematics, 21.06.2019 23:00
The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?
Answers: 1
"Bacteria in a culture can live for an average of two hours with a standard deviation of 15 minutes....
History, 13.10.2020 01:01
Mathematics, 13.10.2020 01:01
Mathematics, 13.10.2020 01:01
Mathematics, 13.10.2020 01:01
Mathematics, 13.10.2020 01:01
Mathematics, 13.10.2020 01:01
Mathematics, 13.10.2020 01:01
English, 13.10.2020 01:01
Health, 13.10.2020 01:01