() Listen The normal random variable, x, is the number of miles a new tire will last. Road tests performed by the engineering group indicates the mean number of miles a new tire will last is 50,000 miles and the standard deviation for the number of miles a new tire will last is 10,000 miles. What mileage should the company guarantee if it wants no more than 6.3 percent of the new tires to wear out before reaching the mileage guarantee? Enter your answer with two digits to the right of the decimal point in the box shown below. Your