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3) The school newspaper is interested in obtaining information about students. Look at the table below. Formative Asse Does Not Total Has a Job
3) The school newspaper is interested in obtaining information about students. Look at the table below. Formative Asse Does Not Total Has a Job Have a Job Seniors 480 120 600 Freshmen 300 100 400 Total 780 220 1000 151 A student is selected at random. Determine the following probabilities. Use the values from the table to show how you determined your answer. a) The probability that the student has a job. b) The probability that the student is a freshman and has a job. c) The probability that the student is a senior or has a job. d) The probability that a freshman has a job. e) The probability that a student with a job is a senior. 4) Here is some more information about students. [2] Walks to School Rides to School Total Juniors 440 110 550 Sophomores 360 90 450 Total 800 200 1000 Are the events "Student is a Junior" and "Student walks to school" independent? Use conditional robabilities to justify your answer
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