The speed with which utility companies can resolve problems is very important. GTC, the Georgetown Telephone Company, reports it can resolve customer problems the same day they are reported in 70% of the cases. Suppose the 15 cases reported today are representative of all complaints. pctune Click here for the Excel Data File a-1. How many of the problems would you expect to be resolved today? (Round your answer to 2 decimal places.) Nomber of Problems 0-2. What is the standard deviation? (Round your answer to 4 decimal places.) Standerd Devistion b. What is the probability 9 of the problems can be resolved today? (Round your answer to 4 decimel places.) Probebility Next of 10 Prev Et ere to search b. What is the probability 9 of the problems can be resolved today? (Round your answer to 4 decimal places.) Frobebility c. What is the probability 9 or 10 of the problems can be resolved today? (Round your answer to 4 decimal places.) Probability d. What is the probability more than 10 of the problems can be resolved today? (Round your answer to 4 declmal places.) Probability Prev oft 10 Next Type here to search

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