5. DETAILS ASWSBE15 3.E.038. MY NOTES Suppose the data have a bell-shaped distribution with a mean of 30 and a standard deviation of 5. Use the empirical rule to determine the percentage of data within each of the following ranges. (a) 20 to 40 O approximately 68% O approximately 95% O almost all (b) 15 to 45 O approximately 68% O approximately 95% O almost all (c) 25 to 35 O approximately 68% O approximately 95% O almost all ASK