For any distribution, the sum of the probabilities of all possible outcomes must be 1. In this case, we have to have
We're told that , and we're given other probabilities, so we have
The expected number of calls would be
-1 for apex i just answered this question and got it right
Answer:
it's centimeters yes I am right
Area of a triangle is 1/2 base times height so... 1/2x(120x115)= 13,800/2=6,900 sq. ft