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dalvyx [7]
3 years ago
12

We have seen that drinking tea appears to offer a strong boost to the immune system. In a study extending the results,1 blood sa

mple was taken on 5 participants before and after one week of drinking about five cups of tea a day (the participants did not drink tea before the study started). The before and after blood samples were exposed to e.coli bacteria, and the production of interferon-gamma, a molecule that fights bacteria, viruses, and tumors, was measured. Mean production went from 155 pg/mL before tea drinking to 448 pg/mL after tea drinking. The mean difference for the 5 subjects is 293 pg/mL with a standard deviation in the differences of 242. The paper implies that the use of the t-distribution is appropriate.
(a) Use the information to test whether the mean production of interferon-gamma as a response to bacteria is significantly higher after drinking tea than before drinking tea. Use a 5 % significance level.
(b) Give the test statistic and the p-value
Round your answer for the test statistic to two decimal places and your answer for the p-value to three decimal places.
(c) Is there evidence that the mean production of interferon-gamma is higher after drinking tea?
Mathematics
1 answer:
BlackZzzverrR [31]3 years ago
5 0

Answer:

Hey i dont know the answer bc I’m too dumb

Step-by-step explanation:

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damaskus [11]

Answer:

b

Step-by-step explanation:

6 0
3 years ago
Given the function k(t) = 6t − 9,<br> complete the following Solve k(t) = 21.
ELEN [110]

Answer: 5(k)

Step-by-step explanation: “k”times “t” equals 6t-9 so if “k” times “t” equals 21, 6t-9=21, add 9 to 21 which equals 30 so then you divide 30 by 6 to get 5. “t”=5 which means the solution is 5(k)

(I’m just a sixth grader dont blame me if I couldn’t do this)

7 0
3 years ago
Help?????? Im very confused (in attachment )
Vikki [24]
4. Option 3, a has length of infinity and mn does not split a, a splits mn
5. Option 2, only 1 possibility, since it has to split mn into equal parts
8 0
3 years ago
Use the distributive property to complete the following statement 4(x-1)=4x-___
Flura [38]

Answer:

A. 4

Step-by-step explanation:

4*x-4*1=4x-4

5 0
3 years ago
The ratio of the angles in a triangle is 5:9:10. what is the measure of the largest angle?
Maksim231197 [3]

The measure of the largest angle is 75 degrees.

<h3>What is a triangle? </h3>

A triangle is a polygon with three sides and vertices. The sum of angles in a triangle is 180 degrees. Types of triangles include: right-angled triangle, isosceles triangle, equilateral triangle and scalene triangle.

<h3>What is the measure of the largest angle? </h3>

The measure of the largest angle = (largest ratio / sum of ratios) x 180

10 / 24 x 180 = 75 degrees

Please find attached an image of a triangle. To learn more about a triangle, please check: brainly.com/question/9329354

6 0
3 years ago
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