Answer:
The answer is B. 12,34 cm .....:)
3(x + 1) + 12 3 I DONT KNOW
2 answers:
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A point P on the line segment GK may be parametrically represented as
t is a real parameter which controls where on the segment P is. t=0 means P=G, t=1 means P=K. We're interested in the t that gives a 3:2 ratio for PG:PK. That's closer to K so t>1/2. t=3/(3+2) = 3/5.
Answer: (26/5, 8)
Answer:
a) 752 medical files should be included.
b) 372 medical files should be included.
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of , and a confidence level of
, we have the following confidence interval of proportions.
In which
z is the z-score that has a p-value of .
The margin of error is of:
90% confidence level
So , z is the value of Z that has a p-value of
, so
.
Question a:
This is n for which M = 0.03. We have no estimate, so we use . So
Rounding up:
752 medical files should be included.
Question b:
Now we have that:
So
Rounding up:
372 medical files should be included.