This attempt took 84 minutes. Question 1 7 / 7 pts You may find the following files helpful throughout the exam: Statistics_Equation_Sheet (Links to an external site.) Standard Normal Table (Links to an external site.) In a large shipment of clocks, it has been discovered that 15 % of the clocks are defective. Suppose that you choose 9 clocks at random. What is the probability exactly 2 of the clocks are defective. Your Answer: n=9 x=2 p=.15 f(x)= n ! x ! ( n − x ) ! px(1-p)(n-x) = 9!/2!(9-2)! multiply .152(1-.15)(9-2) =.2597

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