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inysia [295]
2 years ago
15

Need help pls will give brainly

Mathematics
1 answer:
DochEvi [55]2 years ago
7 0
Where are the diagrams? I need to see them in order to answer the question
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During the grand opening of the T-Shirt Shack at the Madera County Emu Farm, four of the emus broke through the fence and attack
Irina-Kira [14]

Given :

p = 0.68

margin of error, E = 0.1

99% confident interval

alpha, α = 1 - 0.99

             = 0.01

$\frac{\alpha }{2}=\frac{0.01}{2} = 0.005$

∴ $z_{\alpha/2}=z_{0.005}=2.5758$ (z-critical value)

Sample size = $z_{\alpha/2} \times \frac{p(1-p)}{E^2}$

                    $=(2.5758)^2 \times 0.68 \times \frac{(1-0.68)}{0.1^2}$

                    $= 6.63475 \times 0.68 \times \frac{0.32}{0.01}$

                   = 144.37

                  = 145 (rounded off)

Therefore, there are 145 businesses does she need to sample to meet this criteria.

6 0
3 years ago
What is the equation of a line with slope 2 and intercept 4?
Greeley [361]

The linear equation/slope intercept form is y=mx+b

M is the slope and b is the y-intercept.

So the equation would be: y=2x+4

3 0
2 years ago
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What is the GFC of 40 and 60
Svetradugi [14.3K]

Answer:

GCF: 20

Step-by-step explanation:

The thing you want to do is factor both numbers down to their lowest primes.

40:2 * 2 * 2 * 5

60:2 * 2 * 5 * 3

Now underline what is in both sets of primes. I'll bold them. The number that is bolded comes from 2 * 2 * 5 which is 20

The highest common factor is 20

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3 years ago
Show that a²x²-ax+1=0 can never have real roots​
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Answer:

I guess you are a futarian

Step-by-step explanation:

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3 years ago
What do you do on Brainly?
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On Brainly, you ask questions associated with either homework, things your learning in class or questions you have in any of the categories listed. You also want to help others by answering their problems.
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2 years ago
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