Homework: HW#8 Score: 0 of 1 pt 5.3.40 23 of 23 (21 complete) Score: 80.43%, 18.

Question

Homework: HW#8 Score: 0 of 1 pt 5.3.40 23 of 23 (21 complete) Score: 80.43%, 18.5 of 23 pts Question Help A mechanic sells a brand of automobile tire that has a life expectancy that is normally distributed, with a mean life of 26,000 miles and a standard deviation of 2600 miles. He wants to .0% give a guarantee for tee replacement o res hat don't wear well How should he word Click to view page 1 of the table. Click to view page 2 of the table Tires that wear out bymiles will be replaced tree of charge s guarantee rhe seni in repace apro nae he i s? Round to the nearest mile as needed.) Enter your answer in the answer box and then click Check Answer.

Explanation / Answer

solution:-

given mean = 26000 , standard deviation = 2600
given that 10% = -1.28 is the Z value
then formula = X = ? + Z*?
=> X = 26000 + (-1.28 * 2600)
=> X = 22672

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