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uranmaximum [27]
2 years ago
8

Help ASAPpppppppppp plsssssss and ty

Mathematics
1 answer:
jok3333 [9.3K]2 years ago
5 0
DONT CLCIK THE LINK PLEASE REPORT IT
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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
3 years ago
What is a null set ?
forsale [732]
The existence proof of the empty set is an absolute gem
7 0
3 years ago
What is the constant of proportionality in the equation y = 5/3x? ​
Alja [10]
3/5 explanation because I’m big brain boii
6 0
2 years ago
The table represents a liner function. What is the slope of the function?
Liono4ka [1.6K]

Answer:

The slope is 3.

Step-by-step explanation:

Let's use the slope formula to calculate the slope of this function. Remember, slope equals rise over run, or the difference between y coordinates divided by the difference between x coordinates of 2 points on the graph.

Let's use the last 2 points in the table: (1, 7) and (2, 10)

\frac{y_{2} - y_{1} }{x_{2} - x_{1} }

= \frac{10 - 7}{2 - 1}

= \frac{3}{1}

The slope of this function is 3!

Hope this helps :) Feel free to ask me any questions!

5 0
3 years ago
Read 2 more answers
Which inequality represents all values of x for which the quotient below is O A. 1 O B. XS -1 O c. x 1 O D. x -1
Olegator [25]
We have to solve two inequations:
Equation 1:
30(x-1)≥0
(x-1)≥0/30
(x-1)≥0
x≥1    (solution 1)

Equation 2:
5x²≥0
x≥0

The solution is: solution1 <span>∩ solution2

Teherefore; x≥1
</span>
6 0
3 years ago
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