Question
seventy two grade 12 student ran a 1 mile race. THe time were recorded and data appeared to be bell shaped with a mean of
seventy two grade 12 student ran a 1 mile race. THe time were recorded and data appeared to be bell shaped with a mean of 11 minutes and a standard deviation of 3 minutes.
approximate what percentage of student took 5 to 17 minutes to finish the race?
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Precalculus Enhanced With Graphing Utilities (Subscription)
Authors: Michael Sullivan, Michael Sullivan III
7th Edition
0134273125, 9780134273129
