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please show the procedure The speed with which service companies resolve problems is of paramount importance. Georgetown Telephone Company claims that it is able to

please show the procedure

The speed with which service companies resolve problems is of paramount importance. Georgetown Telephone Company claims that it is able to resolve 60% of customer problems the same day they are reported. Assume that the 12 cases reported today are representative of all complaints.

a) How many problems would you expect to be solved today? What is the deviation standard?

b) What is the probability that 7 problems are solved today?

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