Answer:
He will need 4 newborns in the sample to be 95% confident.
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 length of the sample.
So:
He will need 4 newborns in the sample to be 95% confident.
Answer:
The answer to this question is A
this is what you get while graphing the equation ! hopes this helps with your answer !
The answer is 5 hope u have a good day
90 degrees counterclockwise and 90 degrees cancel each other out. The coordinates of the point are only reflected over the x-axis. The point becomes (1, -4).
Hope I helped :)
