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Big Box Store (BBS) has an annual rate of 4% of all sales being returned. In...

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Statistics

Big Box Store (BBS) has an annual rate of 4% of all sales beingreturned. In a recent sample of thirty randomly selected sales thenumber of returns was five.(Use binomial probability)

What is the probability that a random sample of 30 sales hasless than four returns?

What is the probability that the number of returns is not equalto 4 in a random sample of 30 sales?

What is the probability that a random sample of 30 sales hasmore than three returns?

Answer & Explanation Solved by verified expert
4.0 Ratings (560 Votes)
n 30p 004PX x nCx px 1 pn xa PX 4    See Answer
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