Mathematics
Mathematics, 10.08.2019 07:10, alejandra216

The weight of the cars passing over which has a mean of 3550 lb and a standard deviation of 807 pounds. assume that the waste of the cars pass over the bridge are normally distributed. what is the z-score corresponding to a car that weighs 2800 pounds
a. 789
b. 3.22
c. 3.31
d. -.862

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