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Q4 Suppose that the Quiz-I marks for all five students in BUS 172 section 19 follow normal 8 distribution and marks (out of 10) of

Q4 Suppose that the Quiz-I marks for all five students in BUS 172 section 19 follow normal 8

distribution and marks (out of 10) of all students are given in following table.

7

6

7

8

9

* be the Quiz-I mark of a student.

Find the probability that the Quiz-I mark for a randomly selected student is between 5.5 and 8.5 showing the required area graphically indicating both and -scaling.

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