# Question

According to American Airlines, Flight 215 from Orlando to Los Angeles is on time 90% of the time. Randomly select 150 ﬂights and use the normal approximation to the binomial to

(a) approximate the probability that exactly 130 ﬂights are on time.

(b) approximate the probability that at least 130 ﬂights are on time.

(c) approximate the probability that fewer than 125 ﬂights are on time.

(d) approximate the probability that between 125 and 135 ﬂights, inclusive, are on time.

(a) approximate the probability that exactly 130 ﬂights are on time.

(b) approximate the probability that at least 130 ﬂights are on time.

(c) approximate the probability that fewer than 125 ﬂights are on time.

(d) approximate the probability that between 125 and 135 ﬂights, inclusive, are on time.

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