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Author Question: A report on the nightly news broadcast stated that 11 out of 127 households with pet dogs were ... (Read 58 times)

jazziefee

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on: Jul 25, 2018
A report on the nightly news broadcast stated that 11 out of 127 households with pet dogs were burglarized and 22 out of 200 without pet dogs were burglarized.
 
  A) z = -0.684 B) z = -0.274 C) z = -0.001 D) z = -1.163

Question 2

A variable is normally distributed. 42 of the possible observations of the variable lie between 20 and 28. What information does this give you about the graph of the normal curve for this variable?
 
  What will be an ideal response?


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joechoochoy

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

A

Answer to Question 2

The area under the normal curve between 20 and 28 is 0.42.


jazziefee

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

dawsa925

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Reply 3 on: Yesterday
Excellent

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