Answer:
At least 547 records need to be studied.
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of 
, and a confidence interval 
, we have the following confidence interval of proportions.
In which
Z is the zscore that has a pvalue of 
.
And the margin of error is:
95% confidence interval
So 
, z is the value of Z that has a pvalue of 
, so 
.
In this problem, we have that:
At least 547 records need to be studied.
Answer:
Step-by-step explanation:
First you need to make the 12 5/8 into an improper fraction by multiplying 12 by 8 and then adding the total by 5.
-> 
Now you have 
so you need a common denominator by multiplying the first fraction by 2
Then you subtract 160 - 101 which equals 59.
Answer:
The y intercept for this one is two.
Answer:
by using kinetic and potentail energy
Answer:
x=0
This can be solved by reasoning.
And confirmed by substituting 0 into the expression.
