Biologists define a hot spot as a species-rich geographical area (10-kilometer square). Nature (Sept. 1993) reported on

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Biologists define a “hot spot” as a species-rich geographical area (10-kilometer square). Nature (Sept. 1993) reported on a study of hot spots for several rare British species, including butterflies, dragonflies, and breeding birds. The table on pg. 130 gives the proportion of a particular species found in a hot spot for that or another species. For example, the value in the lower left corner, .70, implies that 70% of all British bird species inhabit a butterfly hot spot. (Note: It is possible for species hotspots to overlap.)

a. What is the probability that a dragonfly species will inhabit a dragonfly hot spot?
b. What is the probability that a butterfly species will inhabit a bird hot spot?
c. Explain why all butterfly hot spots are also bird hot spots.

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Statistics For Engineering And The Sciences

ISBN: 9781498728850

6th Edition

Authors: William M. Mendenhall, Terry L. Sincich

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