Answer:
A:False
Step-by-step explanation:
Answer:
C. (36337.32, 48968.68)
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.
The lower end of the interval is the sample mean subtracted by M. So it is 42653 - 6315.68 = 36337.32.
The upper end of the interval is the sample mean added to M. So it is 42653 + 6315.68 = 48968.68.
So the correct answer is:
C. (36337.32, 48968.68)
Step-by-step explanation:
hope it helps.
<h3>stay safe healthy and happy.</h3>
Answer:
11
Step-by-step explanation:
n+1=4(n-8)
n+1=4n-32
4n-n-32=1
3n-32=1
3n=1+32
3n=33
n=33/3
n=11
The answer is d.the percent is always one digit number if the number which the percent is supposed to be found from is less than 100 and in the this case it is 50