subject
Mathematics, 29.01.2021 04:40 skyless

The mathematics department at a high school has twenty instructors. Six are easy graders. Twelve are considered good teachers. Seven are neither easy graders nor good teachers. If a student is assigned randomly to one of the easy graders, what is the probability that the instructor is also good? A. 7/12
B. 5/12
C. 7/10
D. 7/20
E. 5/6

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 16:10
Determine whether the following statements are true and give an explanation or counterexample. bold a. when using the shell method, the axis of the cylindrical shells is parallel to the axis of revolution. bold b. if a region is revolved about the y-axis, then the shell method must be used. bold c. if a region is revolved about the x-axis, then in principle it is possible to use the disk/washer method and integrate with respect to x or the shell method and integrate with respect to y.
Answers: 3
question
Mathematics, 21.06.2019 17:00
Which expression is equivalent to 8(k + m) − 15(2k + 5m)?
Answers: 1
question
Mathematics, 21.06.2019 17:30
Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie
Answers: 1
question
Mathematics, 21.06.2019 19:10
What is the quotient? x+5/ 3x²+4x+5 © 3x2 – 11 + x + s 3x – 11 + 60 x + 5 o 3x2 - 11 - 50 x + 5 3x – 11 - - x + 5
Answers: 3
You know the right answer?
The mathematics department at a high school has twenty instructors. Six are easy graders. Twelve are...
Questions
question
Biology, 17.10.2019 08:10
question
Biology, 17.10.2019 08:10
Questions on the website: 13722367