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80% of all students at a college still need to take another math class. If 39 students are randomly selecte find the probability that a. Exactly 31 of them need to take another math class. 0.1292 X b. At most 31 of them need to take another math class. 0.5126 X c. At least 33 of them need to take another math class. 0.4843 X d. Between 30 and 36 (including 30 and 36) of them need to take another math class.

80% of all students at a college still need to take another math class. If 39 students are randomly selecte find the probability that a. Exactly 31 of them need to take another math class. 0.1292 X b. At most 31 of them need to take another math class. 0.5126 X c. At least 33 of them need to take another math class. 0.4843 X d. Between 30 and 36 (including 30 and 36) of them need to take another math class.

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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80% of all students at a college still need to take another math class. If 39 students are randomly selected, find the probability that a. Exactly 31 of them need to take another math class. 0.1292 b. At most 31 of them need to take another math class. 0.5126 c. At least 33 of them need to take another math class. 0.4843 X d. Between 30 and 36 (including 30 and 36) of them need to take another math class. Round all answers to 4 decimal places. 45°F Clear @ 2 # Question Help: Video Written Example Message instructor Submit Question Jump to Answer W E LU $ 10 4 R % Q Search T A 6 Y 4 & 7 X 4+ * X 8 4 ( 9 () 2 +
Transcribed Image Text:80% of all students at a college still need to take another math class. If 39 students are randomly selected, find the probability that a. Exactly 31 of them need to take another math class. 0.1292 b. At most 31 of them need to take another math class. 0.5126 c. At least 33 of them need to take another math class. 0.4843 X d. Between 30 and 36 (including 30 and 36) of them need to take another math class. Round all answers to 4 decimal places. 45°F Clear @ 2 # Question Help: Video Written Example Message instructor Submit Question Jump to Answer W E LU $ 10 4 R % Q Search T A 6 Y 4 & 7 X 4+ * X 8 4 ( 9 () 2 +
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