Answer:
hope its helpful to uh.......
Answer:
a.1.90 years
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 the margin of error M as such
In which is the standard deviation of the population and n is the size of the sample.
In this question:
So
So the correct answer is:
a.1.90 years
Answer:
B. 1069 feet
Step-by-step explanation:
Adding the initial 125 feet to this, you get a total height of 1069 feet. Hope this helps!
2/3, 4/5, 1/8 is the correct order from greatest to least.