Answer:
Yes
Explanation:
Vaccines, are dangerous but also very helpful. Most vaccines we have now help prevent the original disease they are designed with. Such as Polio.
Help this Helps!
The Sample Size formula, also known as the Cochran Formula, allows for calculation of an ideal sample size. Below, I have inserted a picture of the formula, where it’s variables are as follows,
N=population size
E= margin of error
Z=z-score
The answer to this question is seven