st3ph

30.08.2021 • 

Mathematics

2. The amount of juice dispensed from a machine is normally distributed with a mean of 10.5 oz and a standard deviation of 0.75 oz. a. about 68% of the amounts dispensed fall within what range?

b. About what percent of the time will the machine overfill the 12 oz cups?

c. a beverage that contained 9 oz of juice falls in what percentile?​

Ответ:

zivicion

10.05.2023

Mathematics

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166

Step-by-step explanation:

SA = 2lw** + 2lh +2hw

** It's 2 x l x w, not 21 x w (it looks like a 1, I know smhh)

l = 4

w = 7

h = 5

2*4*7 + 2*4*5 + 2*5*7 = 56 + 40 + 70

56 + 40 + 70 = 56 + 110

56 + 110 = 166

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