A bag contains 10 white, 12 blue, 13 red, 7 yellow, and 8 green wooded balls. A ball is selected from the bag and kept. You then draw a second ball and keep it also.
What is the probability of selecting one white ball and one blue ball? Round your answer to four decimal places. A) 0.0490 B) 0.0480 C) 0.0090 D) 0.0088
Question 2
A researcher wants to study the effects of advertising by female models upon high school boys in small Midwestern towns. The research methodology calls for selecting several small Midwestern towns that have high schools.
What is the frame for this study? A) all high school boys from small Midwestern towns
B) all students attending high school from small Midwestern towns
C) high school boys from the small Midwestern towns selected
D) high school students from the small Midwestern towns selected
Common Grass Yellow (Eurema hecabe)
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The black-and-white colobus is an African colobine.
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