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.
I hope this helps I got it from my math book, Rational numbers are used everyday. Write three instances in which you use each representation of a rational number--fractions, decimals,and percentages-- in your daily activities. Does a certain representation appear to be used most often?
Answer:
A
Step-by-step explanation:
Answer:
Is Jack's mom trying to give him diabetes?
Step-by-step explanation:
Answer:

Step-by-step explanation:
We are given the following in the question:

We have to find the derivative of the given expression.

