Suppose that 20% of students in the business program read the financial section of the daily newspaper. Develop the probability distribution for x, the number out of three randomly selected students from the business program who read the financial section of the daily newspaper.
Answer to relevant QuestionsCalculate the mean and standard deviation for the probability distribution you created in Exercise 3 above. Represent the probability distribution graphically. The number of pages printed before the ink cartridge has to be replaced on an inkjet printer is normally distributed, with a mean of 840 pages and a standard deviation of 224 pages. A new print cartridge has just been ...A survey by a research company reported that 40% of retired people eat out at least once a week. You run a restaurant, and you are wondering if you should focus more of your advertising on retired people. However, you are ...A local bank claims that it takes no more than 1.5 working days on average to approve loan requests. Examination of the bank's records for 64 randomly selected loan requests produced a sample mean of 1.8 working days. Assume ...The college cafeteria manager claims that 90% of cafeteria customers are satisfied with the range of food served and prices. Suppose that in a random sample of 500 cafeteria customers, 438 say they are satisfied with the ...
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