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.

27 + 13x + 15 = (x + 5)( =

step-by-step explanation:

27 + 13x + 15 = (x + 5)( = 27 + 13x + 15 = (x + 5)( = 27 + 13x + 15 = (x + 5)( =

answer: (1,3) (3,-1) (5,-5) ?

step-by-step explanation:

the answer is d

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