Question: The speed with which utility companies can resolve problems is very important. The Georgetown Telephone Company (GTC), reports that it can resolve customer problems the

The speed with which utility companies can resolve problems is very important. The Georgetown Telephone Company (GTC), reports that it can resolve customer problems the same day they are reported in 84% of the cases. Suppose that the 25 cases reported today are representative of all complaints.

a-1.How many of the problems would you expect to be resolved today?(Round the final answer to 2 decimal places.)

Number of Problems

a-2.What is the standard deviation?(Round the final answer to 4 decimal places.)

Standard Deviation

b.What is the probability that 20 of the problems can be resolved today?(Round the final answer to 4 decimal places.)

Probability

c.What is the probability that 20 or 21 of the problems can be resolved today?(Round the final answer to 4 decimal places.)

Probability

d.What is the probability that more than 20 of the problems can be resolved today?(Round the final answer to 4 decimal places.)

Probability

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