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Author Question: Suppose a student signed up for three courses next semester, all of which are taught by professors ... (Read 74 times)

panfilo

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on: Jun 24, 2018
Suppose a student signed up for three courses next semester, all of which are taught by professors with good evaluations. What is the probability he enjoys all three?
 
  What will be an ideal response?

Question 2

A chi-square goodness-of-fit-test is to be used to determine if a distribution is normally distributed. The data will be divided into k categories. Both the mean and standard deviation must be estimated.
 
  The degrees of freedom for this test would be:A) k - 1
  B) k - 2
  C) k - 3
  D) k - 4


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sierrahalpin

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Reply #1 on: Jun 24, 2018
Answer to Question 1

Event A: Student enjoyed class
Event B: Class taught by professors with good evaluations
P(A  B)3 = (0.725 )3 = 0.381

Answer to Question 2

C


panfilo

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Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

tranoy

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Reply 3 on: Yesterday
Gracias!

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