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liberstina [14]
3 years ago
14

Construct a 95​% confidence interval estimate of the mean net change in ldl cholesterol after the garlic treatment. what does th

e confidence interval suggest about the effectiveness of garlic in reducing ldl​ cholesterol?
Mathematics
1 answer:
nikitadnepr [17]3 years ago
5 0

 Construct a 95% confidence interval estimate of the mean net change in LDL cholesterol after the garlic treatment. What does the confidence interval suggest about the effectiveness of garlic in reducing LDL​cholesterol?

sample mean = x-bar = 4.7
ME = 1.96*15.6/sqrt(43) = 4.663

95% CI: 4.7 - 4.663 < u < 4.7 + 4.663

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If f(x) = 7x+6 and g(x)=8x-4 find f(g(-2))
sp2606 [1]

Answer:

f(g(-2))=-134

Step-by-step explanation:

So we have the two functions:

f(x)=7x+6\text{ and } g(x)=8x-4

And we want to find f(g(-2)).

First, let's find g(-2):

g(-2)=8(-2)-4

Multiply:

g(-2)=-16-4

Subtract:

g(-2)=-20

Now, substitute:

f(g(-2))=f(-20)

Now, find the value of f(-20):

f(-20)=7(-20)+6

Multiply:

f(-20)=-140+6

Add:

f(-20)=-134

So:

f(g(-2))=-134

And we're done!

5 0
3 years ago
At a butcher store, 5 1/2 pounds of hamburger meat are divided into 11 equal packages. How many pounds of meat will each package
Alex787 [66]

Answer:

each pack is 1/2 pound

Step-by-step explanation:

5.5 is 1/2 of 11

5.5/11=1/2

6 0
3 years ago
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A TV goes on sale with a discount of 28%. The original price of the TV is $942. What is the sales price of the TV?
Harlamova29_29 [7]
A percentage is equivalent to a fraction, a percentage is out of 100 therefore the fraction for this can be 28/100, as a decimal this would be .28. Therefore to solve this problem you would set up the problem as, 942 x .28= 263.76, you then take that number and subtract it from the original price of the tv, and you get the final price, of $678.24.
6 0
3 years ago
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Which is the mode of this data?<br><br> 12, 19, 22, 17, 15, 18, 15, 14, 16
Snezhnost [94]
Answer: 15
REMEMBER: The mode is the value that appears most frequently in a data set.
4 0
3 years ago
If twelve pounds of nails cost $3.84 what is the unit cost A) 32c B) 28c C) 23c D) 18c
aalyn [17]

Answer:

Option A) 32c

Step-by-step explanation:

we know that

To find the unit cost, divide the total cost of twelve pounds by twelve pounds

so

\frac{\$3.84}{12}=\$0.32

Remember that

1$=100 cents

Convert dollars to cents

\$0.32=0.32*100=32c

therefore

The cost of one pound of nails cost 32 cents

7 0
3 years ago
Read 2 more answers
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