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brendonyuvan
05.07.2019 •
Mathematics
Ahome business has an average income of $900.00 per month with a standard deviation of $15.00. if the income in a given month is $930.00, what z-score corresponds to this value?
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Ответ:
Z score is a statistical that corresponds to the standardization of the regular score to a normal distribution
The formula for Z score is Z = [X - mean ]./ (standard deviation)
Here X = 930.00; mean = 900.00; and standard deviation = 15.00
Then, Z = [930.00 - 900.00] / 15.00 = 30.00 / 15.00 = 2.00
Therefore, your answer is 2.00
Hope I helped :)
Ответ:
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