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gogolik [260]
3 years ago
13

Lab tests of a new drug indicate a 70% success rate in completely curing the targeted disease. The doctors at the lab created th

e random data in the table using a representative simulation. The letter E stands for "effective," and N stands for "not effective."
EEEE NEEE EEEE EEEN NEEN

NEEE EENE NNNE NEEN EENE

NENE EEEE EEEE NNNE ENEE

NEEN ENEE EENN ENNE NEEE

ENEN EEEE EEEN NEEE EENN

EENE EEEN EEEE EENE EEEE

ENEE ENNN EENE EEEE EEEN

NEEE ENEE NEEE EEEE EEEE

NENN EENN NNNN EEEE EEEE

ENNN NENN NEEN ENEE EENE


The estimated probability that it will take at least five patients to find one patient on whom the medicine would not be effective is ____.


The estimated probability that the medicine will be effective on exactly three out of four randomly selected patients is ____.
Mathematics
1 answer:
Katyanochek1 [597]3 years ago
7 0

Answer: 30%?

Step-by-step explanation:

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50 points
spayn [35]

Answer:

see below

Step-by-step explanation:

whenever there is negative number being squared, you need to add the brackets so that you inside the - 1 in front of the number

so this step is wrong

\sqrt{ - 9 { }^{2} - 4(1)(20) }

the -9 ² , you must include the brackets to include the -1 in front of the 9

so it should be

\sqrt{( - 9) {}^{2}  - 4(1)(20) }

so you will get = 1

and then you continue with other parts of the formula and you will get real solutions

hope this helps

please mark it brainliest

6 0
2 years ago
Read 2 more answers
School chorus has 90 sixth-grade students and 75 seventh-grade students. The music director wants to make groups of performers,
inn [45]

Answer:

90 + 75 = 165

165 divided by 3 = 55

4 0
3 years ago
Which of the following pairs of points are both solutions to the equation 2x-5y=6 ? and and and and
zhannawk [14.2K]

Answer:

Any points on the line y=2/5 x - 6/5. See picture below.

Step-by-step explanation:

Convert the equation to slope intercept form and graph it.

2x - 5y = 6

-5y = 6 - 2x

y = -2/-5 x + 6/-5

y=2/5 x - 6/5.

Locate each of the points listed on the graph. If they are a part of the line, then they are solutions.

3 0
3 years ago
The slope of the line below is -3. Which of the following is the point-slope
Anna71 [15]

Answer:

C.

Step-by-step explanation:

3 0
2 years ago
Four polynomials are shown below:
nikklg [1K]
Both B and D are 3rd degree, but only D is a 3rd degree binomial because it has only 2 terms. The answer is D.
3 0
3 years ago
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