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devlian [24]
3 years ago
11

9

Mathematics
1 answer:
vagabundo [1.1K]3 years ago
4 0

Answer:

u can use desmos

Step-by-step explanation:

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You have been assigned to determine whether more people prefer Coke or Pepsi. Assume that roughly half the population prefers Co
Alex Ar [27]

Answer:

n=\frac{0.5(1-0.5)}{(\frac{0.03}{1.96})^2}=1067.11  

And rounded up we have that n=1068

Step-by-step explanation:

For this case we have the following info given:

ME=0.03 the margin of error desired

Conf= 0.95 the level of confidence given

The margin of error for the proportion interval is given by this formula:  

ME=z_{\alpha/2}\sqrt{\frac{\hat p (1-\hat p)}{n}}    (a)  

the critical value for 95% of confidence is z=1.96

We can use as estimator for the population of interest \hat p=0.5. And on this case we have that ME =\pm 0.03 and we are interested in order to find the value of n, if we solve n from equation (a) we got:  

n=\frac{\hat p (1-\hat p)}{(\frac{ME}{z})^2}   (b)  

And replacing into equation (b) the values from part a we got:

n=\frac{0.5(1-0.5)}{(\frac{0.03}{1.96})^2}=1067.11  

And rounded up we have that n=1068

3 0
4 years ago
PLEASE HELP DUE TODAY PLPLZPLZ
Blizzard [7]

Answer:

60,140

Step-by-step explanation:

alternate interior angles are congruent. and then 1 and 4 are supplementary angles which create 180

5 0
3 years ago
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Sami has 89 video games. He keeps 14 for himself and distributes the remaining video games to each
Natasha2012 [34]

Answer:

89=14-5x

Step by step

Because 14 is how many he keeps and x5 is how many he gives to his cousins in total

5 0
3 years ago
What formula can we use to find the circumference of a circle?
Assoli18 [71]

Answer:

B plz mrk brainliest

Step-by-step explanation:

6 0
3 years ago
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6/8 is equivalent to 3/4. How can you use this to help you write 6/8 as a decimal?
Alexus [3.1K]

Answer:

0.75 is the answer

Step-by-step explanation:

6/8 is equivalent to 3/4

3 divided by 4 is 0.75

Since 6/8 is equivalent then it is also 0.75

Also 6/8 turn to 3/4 when both the numerator and denominator is divided by 2.

6 divided by 2 is 3

8 divided by 2 is 4

6 0
3 years ago
Read 2 more answers
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