jonathgar240 jonathgar240
  • 10-11-2022
  • Mathematics
Answered

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. Which z-score separates the lower 70% from the upper 30% of the tires? 0. 30 0. 52 0. 70 0. 85.



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