Performance on Tests A teacher estimates that of the students who pass a test, 80% will pass the next test, while of the students who fail a test, 50% will pass the next test. Let x and y denote the number of students who pass and fail a given test, and let u and v be the corresponding numbers for the following test.
(a) Write a matrix equation relating
to
.
(b) Suppose that 25 of the teacher’s students pass the third test and 8 fail the third test. How many students will pass the fourth test? Approximately how many passed the second test?
We need at least 10 more requests to produce the solution.
0 / 10 have requested this problem solution
The more requests, the faster the answer.