its b
Step-by-step explanation:
not really sure hope you get this right im sooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo sorrryyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy i9f you get this wrong
the diagram shows a regular dodecagon is the size of one interior angle
The mean of the probability distribution is given by the expected value given by

The variance of the probability distribution is given by

The standard deviation is given by
9514 1404 393
Answer:
Step-by-step explanation:
Using the least common denominator, we have ...

The values of a and b are ...
a = 3
b = -18