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sergey [27]
1 year ago
11

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 7 subjects. Assume that we want to treat 7 healthy humans with this new drug and we have 11 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 arrangement are possible if 7 people are selected from the 9 that are available? Choose the correct answer below. A. 181,440 B. 362,880 C. 5,040 D. 36b. If 7 subjects are selected from the 9 that are available, and the 7 selected subjects are all treated at the same time, how many different treatment groups are possible? There are_________ different treatment groups possible c. If 7 subjects are randomly selected and treated at the same time, what is the probability of selecting the 7 youngest subjects? P(selecting the 7 youngest subjects)_________(Type an integer or a simplified fraction.)
Mathematics
1 answer:
navik [9.2K]1 year ago
6 0

Answer:

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 7 subjects.

Step-by-step explanation:

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Answer:

Step-by-step explanation:

Given that: The perimeter of a square is: 32x - 12.8

As we all know that, the formula to find the perimeter of a square is:

Sum of the 4 side = 4* length of the side  

=> the length of 1 side: The perimeter of a square  / 4

In this situation, we have length of 1 side side is:

(32x - 12.8) / 4

= 32/4x - 12.8/4

= 8x - 3.2

The 1st equivalent expressions for the perimeter: 4 *(8x - 3.2)

The 2nd equivalent expressions for the perimeter: (8x - 3.2) + (8x - 3.2)  + (8x - 3.2)  + (8x - 3.2)

The 3rd equivalent expressions for the perimeter: 2*(8x - 3.2) + 2*(8x - 3.2)

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1 year ago
A quality control officer randomly checking weights of pumpkin seed bags being filled by an automatic filling machine. Each bag
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7 0
1 year ago
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At the beginning of the summer Matt swim 12 laps. At the end of the summer he could swim 15 laps. What is the percent increase i
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Percent change = (new number - old number)/(old number) * 100
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In this problem, we have:
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Answer: The percent increase is 25%

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The answer will be 136mg
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