2 years ago

Please help! I will give brainliest!

Mathematics

2 answers:

natta225 [31]2 years ago

6 0

Answer:

a.option is the correct answer right

podryga [215]2 years ago

3 0

Answer:

the answer is: B thank me later!

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A random sample of 70 printers discovered that 25 of them were being used in small businesses. find the 95% limit for the popula

kvasek [131]

Answer:

The sample proportion of printers used in small business is:

$\hat{p}=\frac{25}{70}=0.3571$

The 95% confidence interval for the population proportion of printers that are used in small businesses is:

$\hat{p} \pm z_{\frac{0.05}{2}} \sqrt{\frac{\hat{p}(1-\hat{p})}{n} }$

Where:

$z_{\frac{0.05}{2}}=1.96$ is the critical value at 0.05 significance level

$\therefore 0.3571 \pm 1.96 \sqrt{\frac{0.3571(1-0.3571)}{70} }$

$0.3571 \pm 0.1122$

$\left ( 0.3571 - 0.1122, 0.3571 + 0.1122 \right)$

$\left(0.245,0.469 \right)$

Therefore, the 95% confidence interval for the population proportion of printers that are used in small businesses is (0.245 , 0.469)

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3 years ago

What is the Slope of this equation?<br><br> y=-6/5x-5

-BARSIC- [3]

Answer:

Slope = - 6/5

Step-by-step explanation:

Step 1:

y = mx + b Slope Intercept Form

Step 2:

m = Slope

Step 3:

y = - 6/5x - 5 Equation

Answer:

Slope = - 6/5

Hope This Helps :)

6 0

3 years ago

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Ellen thinks that if a line has no slope, then it never touches the y-axis. Which line proves that her statement is incorrect?

Serggg [28]

Answer:

An horizontal line.

Step-by-step explanation:

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2 years ago

Please help will give brainly

34kurt

The answer isssss 15

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3 years ago

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Estimate 3 1/3 - (-5)

lorasvet [3.4K]

Well, we can make it 3 + 5

3 + 5 = 8

Hope I helped!

~ Zoe

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3 years ago