on a multiple choice quiz of 25 questions, a correct answer is awarded 4 points and an incorrect answer is awarded 0 points. sup
1 answer:
You might be interested in
Answer: 2.46
Step-by-step explanation:
Formula for x-score is given by :-
, where = Sample mean ,
= population mean,
= population standard deviation, n= sample size.
As per given , n=10
= $29,056
= $3,339
= $31,650
Then,
Hence, the z-score = 2.46