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ers Assignment: Homework 1 EEEEEE Questions Problem 5-21 Algo (The Normal Distribution) W 10. 11. 12 13. 14. 15 O 0 ellook Suppose that the demands for a company's product in weeks 1, 2, and 3 are each normally distributed. The means are 50, 45, and 55. The standard deviations are 10, 5, and 15. Assume that these three demands are probabilistically independent a. Suppose that the company currently has 180 units in stock, and it will not be receiving any more shipments from its supplier for at least three weeks. What the probability that stock will run out during this three week period? Round your answer to three decimal places, if necessary. 4 0.7036 b. How many units should the company currently have in stock so that it can be 98% certain of not running out during this three week period? Agam, sume that it won' receive any more shipments during this period. Round your answer up to the nearest whole number, if necessary. 200 Hide Feedback Save Submit Assignment for Grading quan đến h Check My Work Incorrect Check My Work Feedback Click here for a video walkthrough of a similar problem, Ory Check My Work KHM
Questions Problem 5-35 Algo (The Binomial Distribution) 11. 12 13. 14. 15. 0.49 Does this probability increase or decrease as we take larger and larger samples? Why? This probability decreases because estimates of the true proportion become more Hide Feedback Partially Correct eBook Suppose that 51% of all people prefer Coke to Pepsi. We randomly choose 500 people and ask them if they prefer Coke to Pepsi. What is the probability that our survey will (erroneously) indicate that Pepsi is preferred by more people than Coke? Round your answer to three decimal places, if necessary. Check My Work feedback Click here for a video walkthrough of a similar problem. Icon Key Save www. Submit Assignment for Grading accurate as the sample size increases. Question 13 of 15 Check My Work Check My Work Question 13 of 15