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Login Page Carthy www.rotagovestion 673644713 ATT 15. (-/0.16 Points] DETAILS BBUNDERSTAT12 6.3.029.S. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Quick Start Company makes 12-volt car batteries. After many years of product testing, the company knows that the average ife of a Quick Start battery is normally distributed, with a mean of 44,4 months and a standard deviation of 7.3 months USE SALT (a) Ir Quick Start guarantees a full refund on any battery that fails within the 36-month period after purchase, what percentage of its batteries wil the company expect to replace? (Round your answer to two decimal places.) (b) 1 Quick Start does not want to make refunds for more than 15% of its batteries under the full refund guarantee policy, for how long should the company guarantee the batteries (to the nearest month)? months Need Help? end Watch PRACTICE ANOTHER MY NOTES ASK YOUR TEACHER DETAILS BBUNDERSTAT12 6.3.038.S. 16. 1-/0.3 Points) and repairs at a large restaurant was observed over a long period of time to be