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Author Question: Numbered disks are placed in a box and one disk is selected at random. There are 6 red disks ... (Read 187 times)

Jramos095

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on: Jul 24, 2018
Numbered disks are placed in a box and one disk is selected at random. There are 6 red disks numbered 1 through 6, and 7 yellow disks numbered 7 through 13.
 
  In an experiment a disk is selected, the number and color noted, replaced, and then a second disk is selected. Is this an example of independence? Answer Yes or No. A) Yes B) No

Question 2

According to insurance records, a car with a certain protection system will be recovered 92 of the time. If 800 stolen cars are randomly selected, what is the mean and standard deviation of the number of cars recovered after being stolen?
 
  A) mean: 736; standard deviation: 7.67333044 B) mean: 736; standard deviation: 58.88
  C) mean: -5664: standard deviation: 7.67333044 D) mean: -5664: standard deviation: 58.88


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leannegxo

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

A

Answer to Question 2

A


Jramos095

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Reply 2 on: Jul 24, 2018
Gracias!

nguyenhoanhat

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Reply 3 on: Yesterday
Wow, this really help

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