Step-by-step explanation:
On the verge of troll, this question is.
"Two" : 2
"minus": -
"y" : y
2-y
Answer:
The 99% confidence interval for the fraction of U.S. adult Twitter users who get some news on Twitter is between 49.34% and 60.66%, which means that we are 99% sure that the true percentage of US adult Twitter users who get some news is in this interval.
Step-by-step explanation:
Confidence interval:
A confidence interval has the following format:
![M \pm zs](https://tex.z-dn.net/?f=M%20%5Cpm%20zs)
In which M is the sample mean, z is related to the confidence level and s is the standard error.
55% of U.S. adult Twitter users get at least some news on Twitter (Pew, 2013). The standard error for this estimate was 2.2%.
This means that ![M = 55, s = 2.2](https://tex.z-dn.net/?f=M%20%3D%2055%2C%20s%20%3D%202.2)
99% confidence level
So
, z is the value of Z that has a pvalue of
, so
.
Lower bound of the interval:
Upper bound:
The 99% confidence interval for the fraction of U.S. adult Twitter users who get some news on Twitter is between 49.34% and 60.66%, which means that we are 99% sure that the true percentage of US adult Twitter users who get some news is in this interval.
Answer:
Step-by-step explanation:
Answer:
(x-2)(x-4)
Step-by-step explanation:
First into the X puzzle
8 is on top and 6 is on bottom
Find to number at multiples to 8 and adds to 6
the two numbers are 2 and 4 Then write numbers into factor form
that is (n-2)(n-4)
the factor form should multiples to get F(n)=n²-6n+8
the zeros are 2 and 4 Btw
I hope this helps you
Multiply 6x2 and you will get 12 and subtract that by the number 14 you see in the number and bring down the 4 and divide 24 by 6 and the quotient you will put next to the 4 and multiply 4 x 6 and you'll get 24 and subtract that by 24 and the remainder is zero