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Mathematics, 13.03.2020 04:59 JvGaming2001
A gray-scale digital camera with 1,000,000 pixels takes a picture (the picture is made of 1,000,000 parts and each part has a certain amount of gray). A histogram is made where the data is the amount of gray in each of these parts. The histogram looks bell-shaped with a mean of 125 gray levels and a standard deviation of 15. Approximately how many pixels have a gray scale of between 110 and 140a. 30
b. 500,000
c. 680,000
d. 950,000
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