The following are the choices on this question:
A.6
B. 39
C. 26
D. 12
The answer is option D. 12.
Check this out:
S=n² + n
S= 12² + 12
(you can get the square of 12 by multiplying 12 by itself: 12 × 12)
S=144 +12
S=156
Answer:
okieeeeeee also thanks for the points
Step-by-step explanation:
:)))
Answer:
-210
<em>good luck, i hope this helps :)</em>
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Answer:
17
Step-by-step explanation:
anddo the work you cheater
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 .