Wednesday
July 23, 2014

Homework Help: Statistics

Posted by Mary on Saturday, February 2, 2013 at 4:35pm.

Accidents on a bike path. Examining the location of accidents on a level, 5-mile
bike path shows that they occur uniformly along the length of the path. Figure 3.4
displays the density curve that describes the distribution of accidents.
(a) Explain why this curve satisfies the two requirements for a density curve.
(b) The proportion of accidents that occur in the first mile of the path is the area
under the density curve between 0 miles and 1 mile. What is this area?
(c) Sue’s property adjoins the bike path between the 0.8 mile mark and the 1.1
mile mark. What proportion of accidents happen in front of Sue’s property?

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