What distribution would they use to model the? selection

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In an effort to check the quality of their cell? phones, a manufacturing manager decides to take a random sample of 15 cell phones from? yesterday's production? run, which produced cell phones with serial numbers ranging? (according to when they were? produced) from 43005000 to 43007999. Suppose each of the 3000 phones is equally likely to be selected. Complete parts a through c below.

?a) What distribution would they use to model the? selection?

b) What is the probability that a randomly selected cell phone will be one of the last 300 to be? produced?

?c) What is the probability that the first cell phone selected is either from the last 250 to be produced or from the first 100 to be? produced?

Reference no: EM132388484

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