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Marysya12 [62]
3 years ago
14

The formula 

Mathematics
1 answer:
Alenkasestr [34]3 years ago
8 0

Answer:

Step-by-step explanation:

C = (F-32)/1.8

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A sports news station wanted to know whether people who live in the North or the South are bigger sports fans. For its study, 17
Free_Kalibri [48]

Using the z-distribution, it is found that the 95% confidence interval for the difference is (-1.3, -0.7).

<h3>What are the mean and the standard error for each sample?</h3>

Considering the data given:

\mu_S = 3.8, n = 175, s_S = \frac{1.7}{\sqrt{175}} = 0.1285

\mu_N = 4.8, n = 152, s_N = \frac{1.2}{\sqrt{152}} = 0.0973

<h3>What is the mean and the standard error for the distribution of differences?</h3>

The mean is the subtraction of the means, hence:

\overline{x} = \mu_S - \mu_N = 3.8 - 4.8 = -1

The standard error is the square root of the sum of the variances of each sample, hence:

s = \sqrt{s_S^2 + s_N^2} = \sqrt{0.1285^2 + 0.0973^2} = 0.1612

<h3>What is the confidence interval?</h3>

It is given by:

\overline{x} \pm zs

We have a 95% confidence interval, hence the critical value is of z = 1.96.

Then, the bounds of the interval are given as follows:

  • \overline{x} - zs = -1 - 1.96(0.1612) = -1.3
  • \overline{x} + zs = -1 + 1.96(0.1612) = -0.7

More can be learned about the z-distribution at brainly.com/question/25890103

#SPJ1

4 0
2 years ago
Find the percent of increase from 1.5 inches to 6 inches
Maslowich

Answer:

25%

Step-by-step explanation:

6 0
3 years ago
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What math do high schoolers learn? Do they only learn trigonometry, geometry and equations?
EleoNora [17]

Answer:

trigonometry

Step-by-step explanation:

hopes this helps

8 0
2 years ago
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What is 33.61111111 in fraction form
madreJ [45]

The correct answer is:   " \frac{33,611}{1,000} " .

____________________

<u>Step-by-step explanation</u>:

Based on the assumption that the "1" repeats infinitely; in the given value:

  " 33.61111111 ...." ;

_______

Note that the "611" ; after the decimal point;  this goes to the "thousandths";  

place (is "3 (three) digits long.").

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As such; we rewrite the number as:

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" \frac{33.611}{1} " ;  

and we multiply BOTH the "numerator" And the "denominator" by: "1000" :

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  →  " \frac{(33.611)*(1000)}{(1)*(1000)} " ;

to get:

  →  " \frac{33611}{1000} " ;  →  which cannot be reduced any further.

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The correct answer is: " \frac{33,611}{1,000} " .

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Hope this is helpful to you!

 Wishing you the best!

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7 0
3 years ago
Help please asap . please explain your answer
vesna_86 [32]

Answer:

y = -6x + 2

Step-by-step explanation:

Slope intercept form: y = mx + b

m is the slope

b is the y-intercept

The line pictured goes down 6 for each 1 it moves to the right, slope is rise over run, in this case, -6/1 or just -6

The y-intercept is the point that the function crosses the y-axis, in this case 2

Plug those in to get:

y = -6x + 2

3 0
2 years ago
Read 2 more answers
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