Author Question: What is the probability that at least 20 customers, but fewer than 30 customers arrive at this ... (Read 90 times)

mmm

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What is the probability that at least 20 customers, but fewer than 30 customers arrive at this checkout counter in a given hour?

Question 2

A negative relationship between an explanatory variable X and a response variable Y means that as X increases, Y decreases, and vice versa.
 a. True
  b. False
   Indicate whether the statement is true or false



iceage

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Answer to Question 1

0.4538

Answer to Question 2

TRUE



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