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In the geometric progression –3, 12, −48… what term is 3,072?

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?

Divide reduce the answer to lowest term 3/7 divided 1 1/6