genyjoannerubiera

27.07.2021 • 

Mathematics

The average life of an automobile tire of a certain manufacturer follows a Normal distribution, with a mean of 32,000 miles and a standard deviation of 1,250. Use the z-table to answer the question.

What tire life span separates the upper 30% of the life spans from the lower 70% of the life spans?

31,344 miles

32,650 miles

32,875 miles

33,250 miles

(B) 32,650 miles

Ответ:

livesk8923

13.03.2023

Mathematics

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That is 12*11*10*9*8*7*6*5*4=79833600 ways

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