Answer:
Greater
Step-by-step explanation:
.4*1.8 is .72
.72 is greater than .4
Answer: branliest plz
3/2 or 1 1/2
Step-by-step explanation:
Answer:
56 degrees
Step-by-step explanation:
Answer:
You should select at least 216 statistics professors.
Step-by-step explanation:
We have that to find our level, that is the subtraction of 1 by the confidence interval divided by 2. So:
Now, we have to find z in the Ztable as such z has a pvalue of .
So it is z with a pvalue of , so
Now, find M as such
In which is the standard deviation of the population and n is the size of the sample.
In this problem, we have that:
You should select at least 216 statistics teachers.
Answer:
x = 7
Step-by-step explanation:
I reversed it for easy viewing:
(x+7)/3x = 2/3
<=> (x + 7).3 = 2.(3x)
<=> 3x + 21 = 6x
<=> 21 = 6x - 3x
<=> 3x = 21
<=> x = 7