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Author Question: The ___________ of a set of points is the smallest intersection of linear inequalities that contain ... (Read 94 times)

littleanan

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on: Jun 24, 2018
The ___________ of a set of points is the smallest intersection of linear inequalities that contain the set of points.
 a. concave hull
  b. slope
  c. convex hull
  d. geometry

Question 2

A pizza shop advertises that they deliver in 30 minutes or less or it is free. People who live in homes that are located on the opposite side of town believe it will take the pizza shop longer than 30 minutes to make and deliver the pizza. Write the null and alternative hypotheses that can be used to conduct a significance test.
 a. H0: m  30, Ha: m > 30
  b. H0: m < 30, Ha: m > 30
  c. H0: m  30, Ha: m < 30
  d. H0: m > 30, Ha: m < 30


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jamesnevil303

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

c
RATIONALE: The convex hull of a set of points is the smallest intersection of linear inequalities that contain the set of points.

Answer to Question 2

a
RATIONALE: The null hypothesis, is a statement that contains a statement of equality. The null hypothesis is that the mean delivery time is no more than 30 minutes. The alternative hypothesis, is the complement of the null hypothesis.


littleanan

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

bigcheese9

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Reply 3 on: Yesterday
Excellent

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