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Alex787 [66]
3 years ago
15

PLEASE HELP - HELP IS NEEDED ASAP - FOR EVERY SECOND THIS QUESTION ISN'T ANSWERED, YOU LOSE A DAY IN YOUR LIFE - 15 POINTS.

Mathematics
1 answer:
kvv77 [185]3 years ago
5 0

Answer:

The definition of a z-score is:

 

z = (X - μ)/σ where X is our given score (33), μ is the distribution's mean (40) and σ is the distribution's standard deviation (9).

 

To calculate the z-score for 33, plug the numbers in:

 

z = (33 - 40)/9 = -7/9 = -.78

 

Hope this helps!

Step-by-step explanation:

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