A commuter train arrives punctually at a station every half hour. Each morning, a commuter named John
Question:
a. Graph the density curve of this variable.
b. Show that the area under this density curve to the left of any number x between 0 and 30 equals x/30. What percentage of the time does John wait for the train.
c. less than 5 minutes?
d. between 10 and 15 minutes?
e. at least 20 minutes?
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a The following is a graph of the density curve with the equation y 130 for 0 x 30 b The area to the ...View the full answer
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