A certain flight arrives on time

81

percent of the time. Suppose

134

flights are randomly selected. Use the normal approximation to the binomial to approximate the probability that

(a) exactly

122

flights are on time.

(b) at least

122

flights are on time.

(c) fewer than

98

flights are on time.

(d) between

98

and

107,

inclusive are on time.

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Part 1

(a)

P(122)=0.00200.0020

(Round to four decimal pla