Question
In a large university, 20% of the students are business majors. A random sample of 100 students is selected, and their majors are recorded. a.
In a large university, 20% of the students are business majors. A random sample of 100 students is selected, and their majors are recorded. a. What is the probability that the sample contains at least 12 business majors? c. What is the probability that the sample contains less than 15 business majors? d. What is the probability that the sample contains between 12 and 14 business majors?
I need working not just an answer please
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College Algebra Graphs and Models
Authors: Marvin L. Bittinger, Judith A. Beecher, David J. Ellenbogen, Judith A. Penna
5th edition
321845404, 978-0321791009, 321791002, 978-0321783950, 321783956, 978-0321845405
