A computer programm contains one error.in order to find the error, we split the program in to blocks and test 2 of them,selected

Question

BARSIC [14]

2 years ago

11

A computer programm contains one error.in order to find the error, we split the program in to blocks and test 2 of them,selected

at random.let X be the numer of errors in these blocks.compute E(x)...

Mathematics

1 answer:

kolezko [41] · Answer 1 · 2022-07-02T23:31:20+03:00

kolezko [41]2 years ago

5 0

If the E(X) = 1 then that means it has a 100% which is incorrect.
Each block has an equal probability to contain the error so 1/3 because you choose 2/6.