Given that a state does NOT use nuclear power, what percentage of those states use coal?

What is negative 3/9 times negative 2/8 ?

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c = f

Ineed here’s a picture of the question