The ratio of chaperones to students on a field trip to new york is 2 to 11 . if there are 297 students on the trip , how many chaperones are there

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