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A research claims that 30% of people, who purchase items on the web of a specific store, return it. If we pick 5 people who
A research claims that 30% of people, who purchase items on the web of a specific store, return it. If we pick 5 people who purchase via the web, what is the probability that less than or equal 2 will return their purchase?
Assume the binomial situationP(X2)?
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0.8370
0.8520
0.1630
0.5000
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