In a group of 17 students, the score of 1, 2, 3, and 4 were given from the judges in a competition. The score of 3 and above was the winning score. A. How many values are in class 2.5-3.5? B. What percentage of the students lost the competition?________ C. How many students received the winning score?_________

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A: As asked by you, I have answered question number D.  Please find the explanation below.

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Q: (x-5)" 1. 5"

A: since u have asked multiple questions in a single request so we will be answering only first…

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A: Given that, x-bar = 45.5, s = 4.81, N = 50

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A: Explanation and solutions is given below....

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Q: please solve : B, C, and D     ch 9

A: A hypothesis which is tested against plausible rejection is called the Null Hypothesis (typically…