A certain flight arrives on time
81
percent of the time. Suppose
113
flights are randomly selected. Use the normal approximation to the binomial to approximate the probability that
(a) exactly
89
flights are on time.
(b) at least
89
flights are on time.
(c) fewer than
87
flights are on time.
(d) between
87
and
97
,
inclusive are on time.
Please note, if you will take value if z upto 2 decimal place, your answer might change slightly.
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