question archive A company that manufactures large LCD screens knows that not all pixels on their screen? light, even if they spend great care when making them
A company that manufactures large LCD screens knows that not all pixels on their screen? light, even if they spend great care when making them
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A company that manufactures large LCD screens knows that not all pixels on their screen? light, even if they spend great care when making them. In a sheet 8 ft by 12 ft that will be cut into smaller? screens, they find an average of 5.8 blank pixels. They believe that the occurrences of blank pixels are independent. Their warranty policy states that they will replace any screen sold that shows more than 2 blank pixels.
a) What is the mean number of blank pixels per square?foot?
b) What is the standard deviation of blank pixels per square?foot?
c) What is the probability that a 2 ft by 3 ft screen will have at least one? defect?
d) What is the probability that a 2 ft by 3 ft screen will be replaced because it has too many? defects?
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