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77% of all students at a college still need to take another math class. If 48...

77% of all students at a college still need to take another math class. If 48 students are randomly selected, find the probability that a. Exactly 35 of them need to take another math class. b. At most 38 of them need to take another math class. c. At least 37 of them need to take another math class. d. Between 32 and 36 (including 32 and 36) of them need to take another math class.

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