Can somebody help solve ?

Homework: Module 1 HW 2 (Sec 2.2-2.5) Score: 0 of 1 pt 4 10 of 56 (9 complete) V y HW Score: 16.41%, 10.5 of 64 ptS 2..429 i Assigned Media 35 Question Help a Use the Empirical Rule. The mean speed of a sample of vehicles along a stretch of highway is 69 miles per hour, with a standard deviation of 4 miles per hour. Estimate the percent of vehicles whose speeds are between 65 miles per hour and 73 miles per hour. (Assume the data set has a bell-shaped distribution.) Approximately |:|/o of vehicles travel between 65 miles per hour and 73 miles per hour. Enter your answer in the answer box and then click Check Answer. All parts showing ClearAlI CheckAnswer ' 4 y ;I_J