We flip a coin 100 times
(n = 100)
and note that it only comes up heads 20%
(p = 0.20)
of the time. The mean and standard deviation for the number of times the coin lands on heads is
= 20
and
= 4
(verify the mean and standard deviation). Solve the following. (Round your percents to two decimal places.)
(a) There is about a 68% chance that the number of heads will be somewhere between (smaller value) and (larger value).

(b) There is about a % chance that the number of heads will be somewhere between 12 and 28.

(c) There is about a % chance that the number of heads will be somewhere between eight and 32.