4. When you toss a fair coin for 8 times and record the result as a sequence of H and T (H for head, T for tail) of the face of the coin that is facing up after each toss. Answer the following questions: (a) How many different outcomes are possible? For example, HHHHHHHH, HTHTTIIT are examples of two outcomes How many different outcomes have 4 heads and 4 tails? How may different outcomes have more heads than tails (e.g., 6 heads and 2 tails, or 5 heads and 3 tails,..)?

A: Green is just as likely as red or blue to appear. B: Green is just as likely as blue to appear, but not as likely as red. C: Green is not as likely as red or blue to appear. D: Green is not as likely as blue to appear, but is as likely as red.

The fractions of colors in a population of squirrels is 0.73 red and 0.27 black.   If two are chosen at random, what are the chances they have the same color? Give two digits past decimal.

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