The expected value of a set of outcomes can be found by taking the weighted sum of the outcomes, with the probabilities of the weights:
Answer:
-4
Step-by-step explanation:
5+(-3)-6=
5-3-6=
= -4
notice the original, and the new one, with the tripled "r" and "h" is just, whatever the original was times 27, namely 27 times as large as the original.
0.75 is the answer to the question