X2.4.29
assigned media
question
use the empirical rule. the mean speed of a sample of vehicles along a stretch of highway is 71 miles per hour, with a standard deviation of 4 miles per hour estimate the percent
of vehicles whose speeds are between 63 miles per hour and 79 miles per hour (assume the data set has a bell-shaped distribution)
library
approximately
% of vehicles travel between 63 miles per hour and 79 miles per hour.
ccess
mtents
resources
enter your answer in the answer box and then click check answer
all parts showing
clear all
check answer
pearson
copyright © 2019 pearson education inc. all rights reserved.
terms of use | privacy policy. permissions
contact us