Find the value of x when 6 - 2x = 6x - 10x + 2. The value of x is
1 answer:
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Answer:
a
Yes it involves a statistical test
The population parameter(s) of interest is
The sample size is n = 100
The average reaction time of the right hands for the right-handed participants
The average reaction time of the left hands for the left-handed participants
The null hypothesis is ,
The alternative hypothesis is
b
Yes it involves a statistical test
The population parameter(s) of interest is
The sample size is n = 100
The average reaction time of the right hands for the right-handed participants
The average reaction time of the left hands for the left-handed participants
The null hypothesis is ,
The alternative hypothesis is
c
Yes it involves a statistical test
The population parameter(s) of interest is
The percentage of people in the community living in a mobile home is denoted with p
The sample size is n = 1000
The null hypothesis is ,
The alternative hypothesis is
Step-by-step explanation:
Considering the first statement
Testing 100 right-handed participants on the reaction time of their left and right hands to determine if there is evidence for the claim that the right hand reacts faster than the left.
Yes, the analysis does involve a statistical test.
The null hypothesis is ,
The alternative hypothesis is
Here is the average reaction time of the right hands for the right-handed participants
and is the average reaction time of the left hands for the left-handed participants
Considering third statement
Polling 1000 people in a large community to determine if there is evidence for the claim that the percentage of people in the community living in a mobile home is greater then 10%.
The percentage of people in the community living in a mobile home is denoted with p
The sample size is n = 1000
The null hypothesis is ,
The alternative hypothesis is
Answer:
The value of x is approximately 0.3684.
Step-by-step explanation:
Given:
We need to solve the proportion.
Solution:
Now we can see that;
In given equation one number is fraction and other number is whole number.
Now To make whole number into fraction we will divide by 1.
hence the whole number will be equal to;
Now the new equation will be;
Now by cross multiplication we get;
Now dividing both side by 19 we get;
Hence the value of x is approximately 0.3684.
Answer:
The larger angle is 144 degrees and the smaller angle is 36 degrees
Step-by-step explanation:
Because this is a supplementary angle you have to find out what x is to solve this equation
Because 2.4x and 9.6x are like terms we add them
So now to find x we divide 180 by 12 to get 15
We replace the x with 15
We add 36 and 144 which equals 180