Answer:
Option C) 5.62 points
Step-by-step explanation:
We are given the following in the question:
Sample size, n = 20
Sample mean score = 64
Sample standard deviation, s = 12
Degree of freedom =

We have to calculate margin of error for a 95% confidence interval.
Formula for margin of error:
Putting the values, we get,
Thus, the correct answer is
Option C) 5.62 points
6x-6
Step-by-step explanation:
add both equations together, then multiply that by 2
2*(2x+3+x-6)
Answer:
hell yes
Step-by-step explanation: