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Vlada [557]
2 years ago
11

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)



7 0
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
Read 2 more answers
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:

4 0
2 years ago
Please help will give brainly
34kurt
The answer isssss 15
5 0
3 years ago
Read 2 more answers
Estimate 3 1/3 - (-5)
lorasvet [3.4K]
Well, we can make it 3 + 5 

3 + 5 = 8


Hope I helped!

~ Zoe
5 0
3 years ago
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