Desmond is putting his videotape on a shelf. the shelf is 12 inches long. if each videotape is 1 1/2 inches wide, how many video tapes can he put side-by-side on the shelf?

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