poisscdf

# poisscdf - is two probability = 1-poisscdf(4,2 probability...

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poisscdf Poisson cumulative distribution function Syntax P = poisscdf(X,lambda) Description P = poisscdf(X,lambda) computes the Poisson cdf at each of the values in X using the corresponding mean parameters in lambda . X and lambda can be vectors, matrices, or multidimensional arrays that have the same size. A scalar input is expanded to a constant array with the same dimensions as the other input. The parameters in lambda must be positive. The Poisson cdf is Examples For example, consider a Quality Assurance department that performs random tests of individual hard disks. Their policy is to shut down the manufacturing process if an inspector finds more than four bad sectors on a disk. What is the probability of shutting down the process if the mean number of bad sectors (

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