Homework 05: Problem 2 Previous Problem List Next Assume that the octane level of mid-grade gasoline has approximately a normal distribution with a mean of 89.15 and a standard deviation of 0.15, We take many samples of this gasoline and measure their octane levels. What proportion of the samples will have octane levels higher than 89.507 (Keep at least four decimal places.) Above what value of octane level will you find 69.5% of the samples? Keep at least four decimal places) Note: You can earn partial credit on this problem Preview My Answers Submit Answers You have attempted this problem 0 times. You have unlimited attempts remaining. Email instructor