11. Let the random variable X be the ounces of soda in each can. Under normal operation X is a normal distribution with mean 12.1 oz and standard deviation 0.2 oz. An engineer is monitoring the accuracy of the soda dispensing machine by doing systematic samples of 40 cans coming off the conveyor belt. Calculate: (a) Pr ( X≤12.0) (b) Pr ( X≤11.9) (c) Pr (X-12.1≤0.09 ) (d) Pr ( X-12.120.06 ) 12. Let the random variable X be the soda in each can. Under normal a normal distribution with mean standard deviation 0.2 oz. An eng monitoring the accuracy of the se machine by doing systematic sam cans coming off the conveyor be Approximate the value of c acco (a) Pr ( X≤c ) = 0.05 (b) Pr ( X≤c ) = 0.1 (c) Pr ( X-12.1≤c ) = 0.9 (d) Pr ( X-12.1≥c ) = 0.05 (a)-12.2 (b)-12.1 (c) 0.052 (d) 0.089

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