Please help 1.- In a company located in Caguas that is in charge of the distribution of materials in aluminum and stainl

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answerhappygod
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Please help 1.- In a company located in Caguas that is in charge of the distribution of materials in aluminum and stainl

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Please help
1.- In a company located in Caguas that is in charge of the
distribution of materials in
aluminum and stainless steel, customer service time follows an
exponential distribution
with an average of 2.3 minutes.
a) Calculate the probability that a person will be served at that
company after waiting
more than 2.5 minutes.
b) If a group of 10 clients of said company is analyzed, what is
the probability that at
least two of them are served in more than 2.5 minutes?
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