Answer:
Follows are the solution to this question:
Step-by-step explanation:
the confidence level for z:
Calculating the Margin of error:
The population means estimate a 95 % confidence interval is:
Answer:
Unique solution
Step-by-step explanation:
Given
Required
The type of solution
A linear equation is represented as:
For the first equation:
For the second:
We have:
By comparison:
<em>Hence, the system has a unique solution.</em>
Answer:
2 years
Step-by-step explanation:
13000 X 0.05 = 650
13000 - 650 = 12350 year 1
12350 X 0.05 =617.5
12350 - 617.5 =11732.5 year 2
Answer:
20/7 or 13
Step-by-step explanation: