Multiple Choice
The mean number of text messages sent per month by customers of a cell phone service provider is 1,850, and the standard deviation is 800. Find the z-score associated with 3,000 messages sent.
A) z = 2.75
B) z = 1.44
C) z = -1.44
D) z = 1.19
E) z = 40.66
Correct Answer:
Verified
Correct Answer:
Verified
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