Answer:
the unit rate for the $100 option is 12.50
Step-by-step explanation:
100÷8=12.5 which is 12.50
In order to solve this, start by adding 1 to both sides of the equation.
m-1=2
+1 +1
-----------
m=3
The solution to your equation is 3.
You can also check to see if this is true by replacing m with 3.
m-1=2
3-1=2
hhhhhhhhhhhhhhhhhhhhhhhuuuuuuuuuuuuuuuuuuuuuuuuuuuuhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
Answer:
The margin of error for the 99% confidence level for this sample is ±2.23.
None of the given figures is close to the answer:
E. None of the above
Step-by-step explanation:
margin of error (ME) around the mean can be calculated using the formula
ME=
where
- z is the corresponding statistic of the 99% confidence level (2.576)
- s is the population IQ standard deviation (15)
- N is the sample size (300)
Using these numbers we get:
ME=
≈ 2.23