Answer:
46.2
Step-by-step explanation:
If you divide 231 by 5 then you get that answer.
Answer:
B.
Step-by-step explanation:
Hope this helps!
The answer is yes.
Its yes because it exactly one input(x) & multi outputs(y). <span />
The event that either M1 or M2 fails has probability

by the addition rule. Failure events are independent, so

so that

Denote this probability by
. Then
follows a geometric distribution with this parameter
and has density

The expectation is
.