Mathematics, 09.10.2019 17:00 mckinleesmomp6qj1e
The ages of students in a school are normally distributed with a mean of 15 years and a standard deviation of 2 years. approximately what percent of the students are between 14 and 18 years old?
a. 24.17%
b. 62.47%
c. 30.85%
d. 93.32%
Answers: 1
Mathematics, 21.06.2019 14:30
In the image, point a marks the center of the circle. which two lengths must form a ratio of 1 : 2? (options are in the images since thought they were harmful phrases)
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The rectangle shown has a perimeter of 108 cm and the given area. its length is 6 more than five times its width. write and solve a system of equations to find the dimensions of the rectangle.
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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?
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The ages of students in a school are normally distributed with a mean of 15 years and a standard dev...
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