64% of all students at a college still need to take another math class. If 5 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.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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64% of all students at a college still need to take another math class. If 5 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 4 (including 2 and 4) of them need to take another math class.
Round all answers to 4 decimal places.
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Transcribed Image Text:Question 8 <> 64% of all students at a college still need to take another math class. If 5 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 4 (including 2 and 4) of them need to take another math class. Round all answers to 4 decimal places. Question Help: Written Example Message instructor Submit Question Jump to Answer
47% of all violent felons in the prison system are repeat offenders. If 32 violent felons are randomly
selected, find the probability that
a. Exactly 13 of them are repeat offenders.
b. At most 14 of them are repeat offenders.
C. At least 13 of them are repeat offenders.
d. Between 13 and 18 (including 13 and 18) of them are repeat offenders.
Round all answers to 4 decimal places.
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Transcribed Image Text:47% of all violent felons in the prison system are repeat offenders. If 32 violent felons are randomly selected, find the probability that a. Exactly 13 of them are repeat offenders. b. At most 14 of them are repeat offenders. C. At least 13 of them are repeat offenders. d. Between 13 and 18 (including 13 and 18) of them are repeat offenders. Round all answers to 4 decimal places. Question Help: Video e Written Example Message instructor Submit Question Jump to Answer MB
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