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Author Question: _________ is the amount of ink used in a graph that is devoted to non-redundant display of the data. ... (Read 157 times)

fox

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on: Jul 25, 2018
_________ is the amount of ink used in a graph that is devoted to non-redundant display of the data.
 
  A) a scale break B) chart junk C) data-ink D) the lie factor

Question 2

Suppose the number of babies born during an eight-hour shift at a hospital's maternity wing follows a Poisson distribution with a mean of 5 an hour. Find the probability that exactly three babies are born during a randomly selected hour.
 
  What will be an ideal response?


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scrocafella

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Reply #1 on: Jul 25, 2018
Answer to Question 1

C

Answer to Question 2

Let x = the number of babies born during a one hour period at this hospital's maternity wing.
Then x is a Poisson random variable with  = 5.

P(x = 3 ) = 0.140374


fox

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Reply 2 on: Jul 25, 2018
Thanks for the timely response, appreciate it

duy1981999

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Reply 3 on: Yesterday
Wow, this really help

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