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natta225 [31]
3 years ago
12

Plzz help me A S A P

Mathematics
1 answer:
svlad2 [7]3 years ago
3 0

i think the answer is 24.56

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What is the result when 212 is increased by 28%?
zhenek [66]

212 + 28% = <span>271.36</span>

<span>Hope it helps! :D</span>

5 0
3 years ago
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In a clinical test with 2161 subjects, 1214 showed improvement from the treatment. Find the margin of error for the 95% confiden
Vlad [161]

Answer:

The margin of error for the 95% confidence interval used to estimate the population proportion is of 0.0209.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the z-score that has a p-value of 1 - \frac{\alpha}{2}.

The margin of error is of:

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

In a clinical test with 2161 subjects, 1214 showed improvement from the treatment.

This means that n = 2161, \pi = \frac{1214}{2161} = 0.5618

95% confidence level

So \alpha = 0.05, z is the value of Z that has a p-value of 1 - \frac{0.05}{2} = 0.975, so Z = 1.96.

Margin of error:

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

M = 1.96\sqrt{\frac{0.5618*0.4382}{2161}}

M = 0.0209

The margin of error for the 95% confidence interval used to estimate the population proportion is of 0.0209.

4 0
3 years ago
The Terrific Tostada is a popular restaurant for churros and fried ice cream desserts. Last week, 1,125 diners ordered churros o
ANEK [815]

Answer:

900

Step-by-step explanation:

4F + F =1125

5F = 1125

F=225

C=4F

C=4(225)=900

900 + 225=1125

6 0
3 years ago
Help please on this ​
jenyasd209 [6]

Answer:

there is not enough information because x and 55 are parrallel, not congruent.

Step-by-step explanation:

3 0
3 years ago
Someone helps me with this <br> serious answers only!!!
Katarina [22]
(y-5)=(-3)(x-0)

y-5=-3x

y+3x=5 is the required equation.
but, I dont know why there is so much information in the pic. more than what is required.

4 0
3 years ago
Read 2 more answers
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