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Oksana_A [137]
2 years ago
6

A student mixed 3/5 liter of citric acid solution. He used 1/6 of the citric acid solution for the experiment. How much of the c

itric acid solution did he use? Be sure the answer is in simplest form
Mathematics
1 answer:
pychu [463]2 years ago
6 0

Answer:

1 / 10 L

Step-by-step explanation:

Litres of citric acid solution = 3/5

Fraction of solution used = 1/6

1/6 of 3/5

1/6 * 3/5

= (1 * 3 / (6 * 5)

= 3 / 30

= 1/ 10

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One of the questions Rasmussen Reports included on a 2018 survey of 2,500 likely voters asked if the country is headed in right
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Answer:

Kindly check explanation

Step-by-step explanation:

Given the data:

553 - No

70 - Not Sure

384 - Yes

Total = (553 + 70 + 384) = 1007

Proportion who do think country is headed in the right direction :

P = yes / total = 384/1007 = 0.381

b.) Error margin at 95%

Margin of Error = Zcritical * √p(1-p)/n

1-p = 1 - 0.381 = 0.619

Zcritical at 95% = 1.96

Margin of error = 1.96 * √0.381(0.619)/1007

Margin of error = 0.030

C.)

95% confidence interval for heading in the right direction:

P ± margin of error

P ± 0.030

Lower boundary = 0.381 - 0.030 = 0.351

Upper boundary = 0.381 + 0.030 = 0.411

(0.351 ; 0.411)

D.)

Confidence interval for people who don't think :

P = 553 / 1007 = 0.549

Confidence interval = P ± margin of error

Error margin at 95%

Margin of Error = Zcritical * √p(1-p)/n

1-p = 1 - 0.549 = 0.451

Zcritical at 95% = 1.96

Margin of error = 1.96 * √0.549(0.451)/1007

Margin of error = 0.031

P ± margin of error

P ± 0.031

Lower boundary = 0.549 - 0.031 = 0.518

Upper boundary = 0.549 + 0.031 = 0.580

(0.518 ; 0.580)

E.)

The interval with smaller error margin is ; 0.030 (those who think country is headed in the right direction because sample proportion is farther from .5 / farther from 1)

6 0
3 years ago
I'LL GIVE BRAINLIEST:
vitfil [10]

Answer:

its C

Step-by-step explanation:

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2 years ago
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3 years ago
$300 at 5% annual interest for 7 years
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$5125.78. For simple questions like this you can search them on google and find answers very quickly so you dont waste points btw.
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4.3-4.4 section of pre-calculus problem in link please also tell how you got your answer if can .
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