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Afina-wow [57]
2 years ago
12

What is the answer to

atex-formula">
Mathematics
2 answers:
mote1985 [20]2 years ago
7 0
Is there more to this problem
Arada [10]2 years ago
4 0
2? Is there anymore to this?
You might be interested in
An article estimates, with 90% confidence, that the proportion of elementary school teachers who are female is 82%. The article
GREYUIT [131]

Answer:   (80% , 85%)

Step-by-step explanation:

We know that, confidence interval for population proportion is given by :-

(p-E , p+E)

, where p = sample proportion , E = Margin of error.

Given : Proportion of elementary school teachers who are female = 82%.

The article also states the maximum error of their estimate = 3%.

Then, the 90% confidence interval for the proportion of elementary school teachers who are female will be :

(82%-2% , 82%+3%)

= (80% , 85%)

Hence, the resulting 90% confidence interval for the proportion of elementary school teachers who are female = (80% , 85%)

5 0
3 years ago
If the radius of a circle with a area of 5.3 mm squared is multiplied by 5,
chubhunter [2.5K]
I'm guessing the question is meant to be "<span>If the radius of a circle with a area of 5.3 mm squared is multiplied by 5, what will the new area be?", so i'll answer that.

Area of a circle =</span>πr^2

5.3=πr^2, 5.3=π(5r)^2
132.5=25πr^2
6 0
3 years ago
Jacob is asked to solve the follow problem: "Kayla is 9 years older than twice Hannah’s age. If the difference in their ages is
tatiyna

Answer:

Step-by-step explanation:

k = 2h+9

h+16=k

h+16=2h+9

-h = -7

h = 7

hannah is 7 and kayla is 23

jacob is wrong because if u do 16*2+7 it’s 39 and 39-16 does not equal 16

6 0
3 years ago
Add (2x + 2) and (4x – 7)
natta225 [31]
The right answer is 6x + 5
4 0
3 years ago
A percent bar graph compares each category to the _____________ as a percent.
iogann1982 [59]

Answer:

Total

Step-by-step explanation:

A percent bar graph compares the amount in each category to the total amount (sum of all categories) as a percentage.

5 0
2 years ago
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