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yulyashka [42]
3 years ago
5

⚠️HELP DUE TODAY⚠️

Mathematics
1 answer:
IceJOKER [234]3 years ago
6 0

Answer:  (why is it 5 points?) Thats ok.

5 times what X is - 24 meaning whatever X is also by sry i don't make a lot of sense but i'm smart and know the answer. I will change it later after i find out which shouldn't take too long.

Step-by-step explanation:

Thanks, stay safe, have a great life! Byes! Brainliest then i will give answer! ;) :) :P XD :3 (: hehe :)

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In a test of the effectiveness of garlic for lowering​ cholesterol, 8181 subjects were treated with raw garlic. Cholesterol leve
xz_007 [3.2K]

Answer:

With garlic​ treatment, the mean change in LDL cholesterol is not greater than 0.

Step-by-step explanation:

The dependent <em>t</em>-test (also known as the paired <em>t</em>-test or paired samples <em>t</em>-test) compares the two means associated groups to conclude if there is a statistically significant difference amid these two means.

In this case a paired <em>t</em>-test is used to determine the effectiveness of garlic for lowering​ cholesterol.

A random sample of 81 subjects were treated with raw garlic. Cholesterol levels were measured before and after the treatment.

The hypothesis for the test can be defined as follows:

<em>H₀</em>: With garlic​ treatment, the mean change in LDL cholesterol is not greater than 0, i.e. <em>d</em> ≤ 0.

<em>Hₐ</em>: With garlic​ treatment, the mean change in LDL cholesterol is greater than 0, i.e. <em>d</em> > 0.

The information provided is:

\bar d=0.40\\SD_{d}=16.2\\\alpha =0.01

Compute the test statistic value as follows:

t=\frac{\bar d}{SD_{d}/\sqrt{n}}\\\\=\frac{0.40}{16.2/\sqrt{81}}\\\\=0.22

The test statistic value is 0.22.

Decision rule:

If the <em>p</em>-value of the test is less than the significance level then the null hypothesis will be rejected and vice-versa.

Compute the <em>p</em>-value of the test as follows:

p-value=P(t_{n-1}>0.22)\\=P(t_{80}>0.22)\\=0.4132

*Use a <em>t</em>-table.

The <em>p</em>-value of the test is 0.4132.

<em>p-</em>value= 0.4132 > <em>α</em> = 0.01

The null hypothesis was failed to be rejected.

Thus, it can be concluded that with garlic​ treatment, the mean change in LDL cholesterol is not greater than 0.

3 0
2 years ago
Find the volume of each figure to the nearest tenth. Use 3.14 for<br> No viruses please
ludmilkaskok [199]

Answer:

1) 188.4 in³

2)306 in³

3)210in³

Step-by-step explanation:

1) r = 5in   h = 12in

5 * 12 * 3.14

2) L = 3    W = 8.5     H = 12

3 * 8.5 * 12

3) \frac{1}{2} ( B = 5    W = 7    H =  12)

.5(5 * 7 * 12)

6 0
2 years ago
Translate this sentence into an equation.: Mai's savings increased by 15 is 65. Use the variable m to represent Mai's savings.
Schach [20]
M+15=65 could this be the answer you are possibly looking for? if the m is Mai's savings "increased by 15" would simply be adding 15 and it would be equal to 65
7 0
3 years ago
What is the answer to 2x^3(5x-1)
RideAnS [48]
The answer is 10x^4 - 2x^3
5 0
3 years ago
What is the square root of 149? And please show me how to find the answer
chubhunter [2.5K]
The answer is 12.21 you find this by dividing 149 by ten and then 11 then 12 next 13 then realize you went too far and its some where around 12. somthing. I know that was confusing but thats the only way i can explain it or just put this into a calculator:

4 0
3 years ago
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