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Author Question: An airline has determined that 20% of its international flights are not on time. Use the normal ... (Read 65 times)

bvyeehaw

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on: Mar 25, 2023

Question 1

A random variable X is uniformly distributed between 45 and 150.

a.Determine the probability of X = 48.
b.What is the probability of X 60?
c.What is the probability of X 50?
d.Determine the expected vale of X and its standard deviation.



Question 2

An airline has determined that 20% of its international flights are not on time. Use the normal approximation to the binomial distribution to answer the following questions. What is the probability that of the next 80 international flights

a.Fifteen or less will not be on time?
b.Eighteen or more will not be on time?
c.Exactly 17 will not be on time?

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by bvyeehaw on Mar 25, 2023

breounasmoot

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Reply #1 on: Mar 25, 2023
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bvyeehaw

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Reply 2 on: Mar 25, 2023
Great answer, keep it coming :)

Laurenleakan

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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