According to national data, 20.7% of burglaries are cleared witharrests. A new detective is assigned to six different burglaries.What is the probability that at least one of them is cleared withan arrest?
Consider 4 species of plants in Point of Rocks Park where thereare 160 White Pines, 80 Hackberries, 300 Pin Oaks, and 60 TulipPoplars. What is the probability, and explain how you go aboutfinding the probability, of randomly picking a Pin Oak out of thispark.
The probability is . To get the probability,divide  by .
Dr. Baum is analyzing the distribution of two genus of trees,Acer and Quercus.  In the forest youare currently studying with her, there are 11 species in the genusAcer, while there are 87 species of the genusQuercus. How many possible combinations, consisting of onemember from each genus, are possible?
