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Grade distributions. Each row in the table below is a
Chapter , Problem 2.13(choose chapter or problem)
QUESTION:
Grade distributions. Each row in the table below is a proposed grade distribution for a class. Identify each as a valid or invalid probability distribution, and explain your reasoning.
Questions & Answers
QUESTION:
Grade distributions. Each row in the table below is a proposed grade distribution for a class. Identify each as a valid or invalid probability distribution, and explain your reasoning.
ANSWER:
Step 1 of 7
(a)
Sum of grade distribution of the class = 0.3 + 0.3 + 0.3 + 0.2 + 0.1 = 1.2
It’s an invalid probability distribution because the sum of the grade distribution is greater than 1.