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Author Question: According to the empirical rule, you expect 95 of the measurements to lie within the interval 71.60, ... (Read 83 times)

nenivikky

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on: Jun 24, 2018
According to the empirical rule, you expect 95 of the measurements to lie within the interval 71.60, 99.48 whereas all the given measurements actually lie within this interval.
 
  Do your expectations agree with the provided data? If not, what conclusion can be drawn?

Question 2

The probability is 70 that a randomly-selected light bulb will last at least how long.
 
  What will be an ideal response?


Zack0mack0101@yahoo.com

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

The two percentages do not agree exactly, indicating that the distribution of training times is not perfectly bell-shaped. However, it is very close.

Answer to Question 2

70 of the distance from 1200 to 1600 is 280. Then, t = 1200 + 280 = 1480.


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