Suppose the Numbers of a Particular Type of Bacteria in Samples

question 61

Short Answer

Suppose the numbers of a particular type of bacteria in samples of 1 milliliter (ml) of drinking water tend to be approximately normally distributed, with a mean of 80 and a standard deviation of 10.
What is the probability that a given 1-ml sample will contain more than 100 bacteria?
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Definitions:

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