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Homework answers / question archive / The probability of an electronic sensor malfunctioning is known to be 0

The probability of an electronic sensor malfunctioning is known to be 0

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The probability of an electronic sensor malfunctioning is known to be 0.20. A random sample of 16 sensors is chosen. Find the probability that:

(a) at least 3 will malfunction,

(b) at least 1 but no more than 5 will malfunction

(c) What is the expected number of sensors that will malfunction and what is the standard deviation?

 

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