The Solomon Islands are located northeast of Australia. The numbers of bird species per island are described by the density histogram in Fig. 137.

a. Find the percentage of the islands that have between 50 and 59 bird species, inclusive.
b. Find the percentage of the islands that have between 30 and 49 bird species, inclusive.
c. What proportion of the islands have at least 60 bird species? One of the bars in the density histogram was left blank on purpose.
d. Find the proportion of the islands that have at most 49 bird species.

Transcribed Image Text:

Birds on Solomon Islands 0.02 2oo 0.01 0.19 0.17 0.12 0.13 0.15 0.08 0.08 0.06 10 20 30 40 50 60 70 80 90 Number of bird species per island