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Author Question: All data collected in a study are referred to as the _____. a. census b. inference c. variable ... (Read 43 times)

gonzo233

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on: Jun 24, 2018
All data collected in a study are referred to as the _____.
 a. census
  b. inference
  c. variable
  d. data set

Question 2

The time it takes to completely tune an engine of an automobile follows an exponential distribution with a mean of 40 minutes.
 a. What is the probability of tuning an engine in 30 minutes or less?
  b. What is the probability of tuning an engine between 30 and 35 minutes?


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lindahyatt42

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

d

Answer to Question 2

a. 0.5276
b. 0.0555


gonzo233

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

ebonylittles

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Reply 3 on: Yesterday
Excellent

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