What is the probability that at most two of the 20 new microwaves sold will require a warranty repair in the first 90 days?

Name: What is the probability that at most two of the 20 new microwaves sold will require a warranty repair in the first 90 days?
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The Answer of What is the probability that at most two of the 20 new microwaves sold will require a warranty repair in the first 90 days?

What Is the Probability That at Most Two of the 20