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photoshop1234 [79]
2 years ago
7

Test scores in a Test were normally distributed with a mean of 75 and a standard deviation of 10. Carl scored 90 in the Test . W

hat is the z-score of Carl’s test score?
Mathematics
1 answer:
mylen [45]2 years ago
6 0

Answer:

Z-score = 1.5

Step-by-step explanation:

Z-score = (x-mean)/standard deviation

= (90-75)/10

= 1.5

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