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 88 subjects. Assume that we want to treat 88 healthy humans with this new drug and we have 1212 suitable volunteers available. Complete parts (a) through (c) below. a. If the subjects are selected and treated in sequence, so that the trial is discontinued if anyone displays adverse effects, how many different sequential arrangements are possible if 88 people are selected from the 1212 that are available? Choose the correct answer below. A. 19 comma 958 comma 40019,958,400 B. 40 comma 32040,320 C. 479 comma 001 comma 600479,001,600 D. 495495 b. If 88 subjects are selected from the 1212 that are available, and the 88 selected subjects are all treated at the same time, how many different treatment groups are possible? There are nothing different treatment groups possible. c. If 88 subjects are randomly selected and treated at the same time, what is the probability of selecting the 88 youngest subjects? P(selecting the 88 youngest subjects)equals=nothing (Type an integer or a simplified fraction.)

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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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

subjects. Assume that we want to treat

healthy humans with this new drug and we have

1212

suitable volunteers available. Complete parts (a) through (c) below.

a. If the subjects are selected and treated in sequence, so that the trial is discontinued if anyone displays adverse effects, how many different sequential arrangements are possible if

people are selected from the

1212

that are available? Choose the correct answer below.

19 comma 958 comma 40019,958,400

40 comma 32040,320

479 comma 001 comma 600479,001,600

495495

b. If

subjects are selected from the

1212

that are available, and the

selected subjects are all treated at the same time, how many different treatment groups are possible?

There are

nothing

different treatment groups possible.

c. If

subjects are randomly selected and treated at the same time, what is the probability of selecting the

youngest subjects?

P(selecting the

youngest

subjects)equals=nothing

(Type an integer or a simplified fraction.)

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