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artcher [175]
3 years ago
12

I need the answer pleaseee i cant figure out how to do this

Mathematics
1 answer:
Kipish [7]3 years ago
6 0
319.62. You get that by multiplying the perimeter. Please mark brainliest if this was helpful and have a blessed day! <3
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A fast food restaurant executive wishes to know how many fast food meals teenagers eat each week. They want to construct a 99% c
Lana71 [14]

Answer:

The minimum sample size required to create the specified confidence interval is 2229.

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1-0.99}{2} = 0.005

Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha.

So it is z with a pvalue of 1-0.005 = 0.995, so z = 2.575

Now, find the margin of error M as such

M = z*\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population and n is the size of the sample.

What is the minimum sample size required to create the specified confidence interval

This is n when M = 0.06, \sigma = 1.1

0.06 = 2.575*\frac{1.1}{\sqrt{n}}

0.06\sqrt{n} = 2.575*1.1

\sqrt{n} = \frac{2.575*1.1}{0.06}

(\sqrt{n})^{2} = (\frac{2.575*1.1}{0.06})^{2}

n = 2228.6

Rounding up

The minimum sample size required to create the specified confidence interval is 2229.

7 0
3 years ago
A lawn care service charges a $15 equipment fee plus $10 per hour. For x number of hours, they charge y=10x+15 . Susan found a d
rusak2 [61]

Answer:

$$$$$$$$                      the anwser is 4 i think thats how you solve it

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Hehehehehehehhehehehehsdhhd
Sveta_85 [38]

Answer:

32 miles

Step-by-step explanation:

3 0
3 years ago
*WILL GIVE BRAINLIST TO WHO EVER IS RIGHT!*
Scorpion4ik [409]

Answer:g(X)=2x^2-10

Step-by-step explanation:

If a function f(x) is translated 'c' units down then the equation of the translated function be f(x)-c

Here, f(x) is translated 2 units down to obtain g(x).

Hence, we have

g(x)=f(x)-2

   =2x^2-8-2

  =2x^2-10

8 0
2 years ago
200 people purchase a lottery ticket. Three winning tickets will be selected at random. If first prize is $100, second prize is
Mandarinka [93]

EEEEEEEEeeEeeEeEeeEeEeE
7 0
3 years ago
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