anonymous
  • anonymous
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. How many pixels are brighter than 163 gray levels? 5000 10,000 160,000 50,000
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
@dan815 help please
anonymous
  • anonymous
oe can someone help
dan815
  • dan815
125 +k *15= 163 k is telling you the number of standard deviations above you need to go to get 163

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dan815
  • dan815
usually they call that K as Z and say its the Z score
dan815
  • dan815
38/15 = Z score a little higher than 2.5 lets say
dan815
  • dan815
look at a z table and see what probability that z score is use a calculator 38/15
anonymous
  • anonymous
@dan815 what would i type in calculator

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