Description
Directions: Be sure to show your work and explain your answer for each question. Your homework solutions are to be entirely your own effort. You may not communicate with anyone about the homework, except for the TA and/or the instructor. You may use the Canvas postings, in-class discussion, and any of the recommended textbooks (if appropriate).
Note on submission: Please submit your solutions as a single Word file. Word is editable and will facilitate TA grading comments. You do not need to use an equation editor for math text. You may hand-write solutions. Scan all hand-written solutions (be sure they are legible) and embed them in a single Word file.
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[10 points] Amazon fulfillment centers want to ensure a uniform (and low) processing time for orders. At one center, Amazon tracked a random sample of n orders and compared the actual processing time of each order against Amazon’s standard. The amount of time x that an order departed early was recorded with a negative sign (x < 0) or late with a positive sign (x > 0). For
the analysis, the following statistical model was used for the x’s: Suppose that X 1 , X 2 ,…, X n are
values 1, 2, 3, what is the probability that they occurred in the sequence 3, 1, 2?]
