6. A company is having a hydration challenge for their workers in order to promote health and wellness. In a sample of 2

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6 A Company Is Having A Hydration Challenge For Their Workers In Order To Promote Health And Wellness In A Sample Of 2 1 (103.3 KiB) Viewed 49 times

6. A company is having a hydration challenge for their workers in order to promote health and wellness. In a sample of 250 employees, they found the mean amount of water consumed in a day to be 120 ounces with a standard deviation of 4 ounces. (a) (5 points) Assuming nothing about the shape of the distribution of water consump- tion, at least 84% of employees consumed between -2979 and 29179 in a day. TO mean ounces k=29.79 n=190 D=950 o Stardord dosiahio = 4 It h2 = 0.84 -1-1 K2 I ZX-X 1819 (99.7a)? z = 0.84 - 120 1- I 4 Z: -29.79 +29.79 (b) (5 points) Assuming the distribution of water consumption is mound-shaped and symmetric, what percentage of employees consumed less than 128 ounces in a day?