Answer:
The answer is "
"
Step-by-step explanation:
Given:
When
confidence level so, the z:

When 98% confidence interval estimate of the population mean is,

Answer:
you have to add 8
Step-by-step explanation:
Answer: 4/10 , 6/15, 8/20,
Step-by-step explanation:
Answer:
4*(x+2)=6
Step-by-step explanation:
* is multiply four times is 4*
the sum of a number is 2 is (x+2) is equal to 6