It is a! I did this assignment and got it right that’s how I know!
Answer:
d!
Step-by-step explanation:
just took the test! gl
Answer:
1+1+2
Step-by-step explanation:
I'm the first one to answer to mark me Brainless!
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
I would have to say (B) ! Good Luck :D