a web adminitrator is interested in the average number of visitors per day that her website receives. Match the vocab word with
1 answer:
The correct matching of the vocabulary words and the examples given of the web administrator's process are:
- Population - All the days that the website has been in existence.
- Statistic - The average number of visitors per day for the 42 days that the administrator tracked.
- Sample - The 42 randomly selected days that the administrator tracked.
- Variable - The number of visitors that the website receives on a given day.
- Data - The list of visitor counts for the 42 days that were tracked.
- Parameter - The average number of visitors per day that have come to the website since it was created.
The entire population being looked at would best be all the days that the website has existed and the sample will be some selected days that have been tracked.
Parameters can be created such as the average number of visitors per say and then data would be derived on this. A statistic would simple show certain information such as the average visits in the days tracked.
Find out more on sampling terms at brainly.com/question/8222250.
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Hello,
y=2^(-x)
y=2^(2x)+3
==>2^(2x)+3=1/2^x
==>2^(3x)+3*2^x-1=0 (1)
Let's assume u=2^x
(1)==>u^3+3*u-1=0
which as 3 roots
u=0.322185354626 or
u = -0.161092677313 + i1.754380959784 or
u = -0.161092677313 - i1.754380959784.
Let's take the real solution
0.322185354626=2^x
==>x=ln(0.322185354626) / ln(2)
x=-1,6340371790199...
an other way is
f(x)=2^(3x)+3*2^x-1
f(-2)=1/64+3/4-1=-15/64 <0
f(-1)=1/8+1-1=1/8>0
==> there is a solution betheen -2<x<-1
y=2^(-x)
y=2^(2x)+3
==>2^(2x)+3=1/2^x
==>2^(3x)+3*2^x-1=0 (1)
Let's assume u=2^x
(1)==>u^3+3*u-1=0
which as 3 roots
u=0.322185354626 or
u = -0.161092677313 + i1.754380959784 or
u = -0.161092677313 - i1.754380959784.
Let's take the real solution
0.322185354626=2^x
==>x=ln(0.322185354626) / ln(2)
x=-1,6340371790199...
an other way is
f(x)=2^(3x)+3*2^x-1
f(-2)=1/64+3/4-1=-15/64 <0
f(-1)=1/8+1-1=1/8>0
==> there is a solution betheen -2<x<-1