A data research company finds that monthly sales of hard disks in California is 1.445 million units on average with a standard deviation of 45,000. What is the z-score corresponding to 1.500 million units

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A data research company finds that monthly sales of hard disks in California is 1.445 million units on average with a standard deviation of 45,000. What is the z-score corresponding to 1.500 million units

Mathematics
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@rational This one seems easy as well but again I cant get it. I just dont seem to be good at this whole z-units thing
45,000 = 0.045 million
z-score formula: z-score = (given data value - mean)/standard deviation

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Other answers:

mean = 1.445 standard deviation = 0.045 given data value = 1.5 plug them in the zscore formula given by Vocaloid
.0005
doesn't look correct try again
z-score = (given data value - mean)/standard deviation = (1.5 - 1.445)/0.045 = ?
\[1.5-1.445/.0045\]
12.22
try again
1.222 sorry
Yep!
Ty so much!

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