Demand for greensaber in july 2019 is normal distributed with mean 100, standard dev 20. Demand in Aug 2019 is normally distributed with mean 120, standard dev 25. Demand in both months have a correlation of +0.2 1) what isi the expected total demand? 2) What is the stndard deviation of total demand? 3) If there are 220 units of Greensaber at the start of July, and is unable to replenish its inventory until end of august 2019, what is the probability that it fully stocks out of GreenSaber by end of August 2019?

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