An Airline Has Determined That 20% of Its International Flights

question 139

Short Answer

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?

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Definitions:

Nutraceuticals

Items obtained from food sources that offer additional health advantages beyond the fundamental nutritional content present in foods.

St. John's Wort

A herbal remedy commonly used for the treatment of mild to moderate depression and certain other conditions.

MAO Inhibitors

A class of antidepressant drugs that work by inhibiting the action of the enzyme monoamine oxidase, which breaks down neurotransmitters in the brain.

Serotonin

A neurotransmitter influential in regulating mood, sleep, appetite, and pain, with imbalances often associated with depression and other mood disorders.