Homework: HW 7.4 Score: 0 of 1 pt
8 of 10 (7 complete)
7.4.21
A certain flight arrives on time 88 percent of the time. Suppose 125 flights are randomly selected. Use the normal approximation to the binomial to ar
(a) exactly 115 flights are on time.
(b) at least 115 flights are on time.
(c) fewer than 106 flights are on time.
(d) between 106 and 115, inclusive are on time.
(a) P(115) =
(Round to four decimal places as needed.)