Mathematics, 27.06.2019 08:00 maggie2018
The ages of trees in a forest are normally distributed with a mean of 25 years and a standard deviation of 5 years. using the empirical rule, approximately what percent of the trees are between 20 and 30 years old? 32% 68% 95% 99.7%
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 13:40
In a certain pentagon, the interior angles are a,b,c,d,e where a,b,c,d,e are integers strictly less than 180. ("strictly less than 180" means they are "less than and not equal to" 180.) if the median of the interior angles is 61 and there is only one mode, then what are the degree measures of all five angles?
Answers: 1
Mathematics, 21.06.2019 21:30
Apool measures 100 meters by 100 meters a toddler inside the pool and trows a ball 60 centimeters from one edge of the pool.how far is the ball from the opposite edge of the pool
Answers: 1
Mathematics, 21.06.2019 22:30
Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.
Answers: 2
Mathematics, 21.06.2019 23:00
Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?
Answers: 2
You know the right answer?
The ages of trees in a forest are normally distributed with a mean of 25 years and a standard deviat...
Questions
Mathematics, 24.02.2020 22:29
Mathematics, 24.02.2020 22:29
Mathematics, 24.02.2020 22:29
