# Question: According to ightstats com American Airlines ights from Dallas to Chicago

According to ﬂightstats.com, American Airlines ﬂights from Dallas to Chicago are on time 80% of the time. Suppose 15 ﬂights are randomly selected, and the number of on-time ﬂights is recorded.

(a) Explain why this is a binomial experiment.

(b) Find and interpret the probability that exactly 10 ﬂights are on time.

(c) Find and interpret the probability that fewer than 10 ﬂights are on time.

(d) Find and interpret the probability that at least 10 ﬂights are on time.

(e) Find and interpret the probability that between 8 and 10 ﬂights, inclusive, are on time.

(a) Explain why this is a binomial experiment.

(b) Find and interpret the probability that exactly 10 ﬂights are on time.

(c) Find and interpret the probability that fewer than 10 ﬂights are on time.

(d) Find and interpret the probability that at least 10 ﬂights are on time.

(e) Find and interpret the probability that between 8 and 10 ﬂights, inclusive, are on time.

## Relevant Questions

According to the American Lung Association, 90% of adult smokers started smoking before turning 21 years old. Ten smokers 21 years old or older are randomly selected, and the number of smokers who started smoking before 21 ...Twelve jurors are randomly selected from a population of 3 million residents. Of these 3 million residents, it is known that 45% are Hispanic. Of the 12 jurors selected, 2 are Hispanic. (a) What proportion of the jury ...In May, 2000, the Gallup Organization reported that 11% of adult Americans had a great deal of trust and conﬁdence in the federal government handling domestic issues. Suppose a survey of a random sample of 1100 adult ...Explain how the value of p, the probability of success, affects the shape of the binomial probability histogram. Draw the normal curve with the parameters indicated. Then ﬁnd the probability of the random variable X. Shade the area that represents the probability. µ = 30, σ = 5, P(X ≤ 23)Post your question