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klemol [59]
3 years ago
8

Help plz.............................................

Mathematics
1 answer:
Salsk061 [2.6K]3 years ago
3 0

Answer:

d

Step-by-step explanation:

I calculated it

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An experiment was conducted to test the effect of a new cholesterol medicine. Fifteen people were treated with medicine X and 15
gtnhenbr [62]

Considering the hypothesis tested and the p-value of the test, the correct option is given by:

There is sufficient evidence that there is a difference in mean cholesterol level when using medicine X and medicine Y.

<h3>What are the hypothesis tested?</h3>

At the null hypothesis, it is tested if there is no difference between the cholesterol levels, that is:

H₀:Hₓ-H

At the alternative hypothesis it is tested if there is a difference, hence:

H₀:Hₓ-H≠0

The p-value is of 0.003 < 0.01, hence we reject the null hypothesis and conclude that there has was a difference, hence the correct option is given by:

There is sufficient evidence that there is a difference in mean cholesterol level when using medicine X and medicine Y.

More can be learned about hypothesis tests at brainly.com/question/26454209

#SPJ1

6 0
2 years ago
Ok no one at my school can get it, who has the crown to get this right 1st out of my whole class lolllll plus ill give brainiest
FrozenT [24]

Answer:

A.y=(t-1998)+b

B. 13,720 Vehicles

Step-by-step explanation:

N/A

7 0
3 years ago
A smartphone costs ​$120. Sales tax is 55​%. What is the total​ cost, including​ tax?
hjlf
You multiply  $120 by .55 to get the cost for tax which is $66 you add that to $120 to get $186
6 0
3 years ago
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What does 12A equal?
lozanna [386]
<span><span>4a+6b=10 
4a=10-6b 
a=(10-6b)/4 
a=(5-3b)/2 
</span>
<span>2a-4b=12 
2((5-3b)/2)-4b=12 
(5-3b)-4b=12 
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-7b=7 
b=-1
</span>
<span>2a-4b=12 
2a-4(-1)=12 
2a+4=12 
2a=8 
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a=4, b=-1 </span>

12a=48</span>
7 0
3 years ago
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6. In the expression shown x represents a rational
babymother [125]

Answer:

d

Step-by-step explanation:

7/5 is greater than 1

sorry if this is wrong

4 0
3 years ago
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