Question
A local entomologists is observing butterflies in a nearby forest. During her observations she identifies 15 Skippers (S), 40 Gossamer-winged Butterflies (G) and 25 Brush-footed
A local entomologists is observing butterflies in a nearby forest. During her observations she identifies 15 Skippers (S), 40 Gossamer-winged Butterflies (G) and 25 Brush-footed Butterflies (B).
a What is the probability of observing a Skipper if you only do one observation?
b What is the probability of not observing a Brush-footed Butterfly after three observations?
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Algebra
Authors: Margaret L Lial, John E Hornsby, Terry McGinnis
10th Edition
0321900405, 9780321900401
