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Business, 22.10.2019 19:30 harvzoie

A) the solar installation generates electric power from sunlight and incurs operating costs for cleaning
the solar modules (sometimes called solar panels) and replacing solar modules that have failed. the
annual revenue from the electric power is variable due to variable cloudiness and solar module failure
and has a mean of $2.78m and a standard deviation of $0.32m. the annual operating costs have a mean
of $0.51 and a standard deviation of $0.12m.

calculate the mean and standard deviation of the annual profit

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