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Oksana_A [137]
2 years ago
14

How do I solve this, I can't figure it out and it's my Home work

Mathematics
1 answer:
zhenek [66]2 years ago
6 0

X plus 3 divided 3 is 9 X = 24 because 24 plus 3 is 27 so 27 divided by 3 is 9

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In a sample of 1000 randomly, selected consumers who had opportunities to send in a rebate claim form after purchasing a product
Alexxx [7]

Answer: =(0.2232,0.2768)

Step-by-step explanation:

The confidence interval for population proportion is given by :-

p\ \pm z_{\alpha/2}\sqrt{\dfrac{p(1-p)}{n}}

Given : Sample size : n=1000

The proportion of people selected consumers who had opportunities to send in a rebate claim form after purchasing a product said they never did so =\dfrac{250}{1000}=0.25

Significance level : 1-0.95=0.05

Critical value : z_{\alpha/2}=1.96

Now, the 95% confidence Interval for the true proportion of such consumers who never apply for a rebate will be :-

0.25\ \pm (1.96)\sqrt{\dfrac{0.25(1-0.25)}{1000}}\\\\\approx0.25\pm0.0268\\\\=(0.2232,\ 0.2768)

Hence, a confidence Interval for the true proportion of such consumers who never apply for a rebate .

8 0
3 years ago
The sum of 2 numbers is 5 and their difference is 2. Which of the following could the difference of their squares?( i think the
Vladimir [108]
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7 0
3 years ago
For a rectangle with length of
AveGali [126]

Answer:

2x+5

Step-by-step explanation:

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b = 5x+9 - 3x - 4

b = 2x+5

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Hope this helps

6 0
2 years ago
What is the solution to this equation -4x + 2=26
wolverine [178]

-4x+2=26           <em>subtract 2 from both sides</em>

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\boxed{x=-6}

8 0
3 years ago
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DENIUS [597]

qq 7

Step-by-step explanation:

you have to take the hole numer and dive it by the % and if get a decimod round down

6 0
3 years ago
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