mathematic tutoring center at a drop-in mathematics tutoring center each teacher sees 4 to 8 students per hour . the probability that a tutor sees 4 students in an hour is 0.117;5 students 0.123;6 students 0.295 and student,0.328 a what is the probability of seeing 8 students? b what is the probability of seeing less than 7 students? c what is the expected number of students? d what is the standard deviation in the number of students?

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