Need help with the percentiles

Apps intro Statistics (202.1SF5-MATH-156-02) Homework: Section 2.5 Homework Score: 0.86 of1 pt 4 11 of12(t2 complete) v } if/x; 2.5.49 A certain brand of automobile tire has a mean life span of 39.000 miles and a standard deviation of2.050 miles. (Assume the life spans of the tires have a bellushaped distribution.) (a) The lile spans of three randomly selected tires are 35.000 miles. 37.000 miles. and 32.000 miles. Find the z-score that corresponds to each life span. For the life span of 35.000 miles. z-score is 1.95 . (Round to the nearest hundredth as needed.) For the life span 0137.000 miles. zsoore is 0.98. (Round to the nearesl hundredth as needed.) For the life span of 32.000 miles. z-score is - 3.41 . {Round to the nearest hundredth as needed.) According to the z-soores. would the life spans of any of these tires be considered unusual? V Yes No (b) The life spans of three randomly selected tires are 36.950 miles. 41.050 miles. skid 39.000 miles. Using the empirical rule. nd the percentile that conesponds to each life span. The life span 36.950 miles corresponds to the Ellh percentile. The life span 41.050 miles corresponds to the Dth percentile. The lite span 39.000 miles corresponds to the am percentile. Enter your answer in the edit fields and then click Check Answer. A" pans snowing Clear All