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Author Question: The amount of time workers spend commuting to their jobs each day in a large metropolitan city has a ... (Read 165 times)

RYAN BANYAN

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on: Jun 24, 2018
The amount of time workers spend commuting to their jobs each day in a large metropolitan city has a mean of 70 minutes and a standard deviation of 20 minutes. Assuming nothing is known about the shape of the distribution of commuting times, what percentage of these commuting times are between 30 and 110 minutes?
 
  A) at least 0 B) at least 95 C) at least 75 D) at least 89

Question 2

Classify the following random variable according to whether it is discrete or continuous.
  The speed of a car on a Los Angeles freeway during rush hour traffic
 
  A) discrete B) continuous


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Tonny

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

C

Answer to Question 2

B


RYAN BANYAN

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Reply #2 on: Jun 24, 2018
Correct answers!


Tonny

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Reply #3 on: Jun 24, 2018
Great! Please up vote :D


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