Parking meters in a beach resort town cost
Make a graph of the distribution of the money made by one parking meter on your calculator, then sketch it. An appropriate value for the maximum of the relative frequency axis is
From your graph, visually estimate where the middle
% of meter earnings fall. Shade this portion of your sketch.
Use your calculator to check your estimate. How close to
% did you come?
normalcdf(lower estimate, upper estimate, 10, 2) = 0.90
Use the eTool below to help solve parts (a) through (c).
Click the link at right for the full eTool version: INT3 6-86 HW eTool