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Author Question: A __________ is a graphical representation in which the sample space is represented by a rectangle ... (Read 78 times)

iveyjurea

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on: Jun 24, 2018
A __________ is a graphical representation in which the sample space is represented by a rectangle and events are represented as circles.
 a. frequency polygon
  b. histogram
  c. Venn diagram
  d. tree diagram

Question 2

A coal company wants to determine a 95 confidence interval estimate for the average daily tonnage of coal that they mine. Assuming that the company reports that the standard deviation of daily output is 200 tons, how many days should they sample so that the margin of error will be 39.2 tons or less?


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xMRAZ

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

c

Answer to Question 2

100 days


iveyjurea

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Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review

tandmlomax84

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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