A corporation must appoint a president, chief executive officer (CEO), chief operating officer (COO), and chief financial officer (CFO). It must also appoint a planning committee with five different members. There are 14 qualified candidates, and officers can also serve on the committee.
How many different ways can the officers be appointed?
How many different ways can the committee be appointed?
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Explanation:
A. There are ____different ways to appoint the officers.
b. There are ____different ways to appoint the committee.
c. P(getting the five youngest of the qualified candidates) =
13. A clinical test on humans of a new drug is normally done in three phases. Phase I is conducted with a relatively small number of healthy volunteers. For example, a phase I test of a specific drug involved only 5 subjects. Assume that we want to treat 5 healthy humans with this new drug and we have 9 suitable volunteers available. Complete parts (a) through (c) below.
b. If 5 subjects are selected from the 9 that are available, and the 5 selected subjects are all treated at the same time, how many different treatment groups are possible?
There are ___ different treatment groups possible.
c. If 5 subjects are randomly selected and treated at the same time, what is the probability of selecting the 5 youngest subjects?
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