73% of all students at a college still need to take another math class. If 4 students are randomly selected, find the probability that a. Exactly 2 of them need to take another math class. b. At most 2 of them need to take another math class. C. At least 2 of them need to take another math class. d. Between 2 and 3 (including 2 and 3) of them need to take another math class.

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section: Chapter Questions
Problem 41CT: On a game show, a contestant is given the digits 3, 4, and 5 to arrange in the proper order to form...
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73% of all students at a college still need to take another math class. If 4 students are randomly selected, find
the probability that
a. Exactly 2 of them need to take another math class.
b. At most 2 of them need to take another math class.
C. At least 2 of them need to take another math class.
d. Between 2 and 3 (including 2 and 3) of them need to take another math class.
Round all answers to 4 decimal places.
Transcribed Image Text:73% of all students at a college still need to take another math class. If 4 students are randomly selected, find the probability that a. Exactly 2 of them need to take another math class. b. At most 2 of them need to take another math class. C. At least 2 of them need to take another math class. d. Between 2 and 3 (including 2 and 3) of them need to take another math class. Round all answers to 4 decimal places.
70% of all bald eagles survive their first year of life. If 40 bald eagles are randomly selected, find the
probability that
a. Exactly 28 of them survive their first year of life.
b. At most 31 of them survive their first year of life.
C. At least 29 of them survive their first year of life.
d. Between 27 and 31 (including 27 and 31) of them survive their first year of life.
Round all answers to 4 decimal places.
Transcribed Image Text:70% of all bald eagles survive their first year of life. If 40 bald eagles are randomly selected, find the probability that a. Exactly 28 of them survive their first year of life. b. At most 31 of them survive their first year of life. C. At least 29 of them survive their first year of life. d. Between 27 and 31 (including 27 and 31) of them survive their first year of life. Round all answers to 4 decimal places.
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