Assuming each statement is claiming the first set is a subset of N, the second statement is false. 0 is not part of the natural numbers.
Answer:
b. 98
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 M as such
In which is the standard deviation of the population and n is the size of the sample.
In this problem, we have that:
So a sample of at least 98 is required.
The correct answer is:
b. 98
What grade are y in I can maybe help
Answer:
9.39
Step-by-step explanation:sorry, i just need to type an explanation
4.9% as a decimal is 0.049
4.9% as a fraction is 4 9/10
(four and nine - tenths )