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Author Question: The population of soft drink cans filled by a particular machine is known to be normally distributed ... (Read 133 times)

Mollykgkg

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on: Jun 24, 2018
The population of soft drink cans filled by a particular machine is known to be normally distributed with a mean equal to 12 ounces and a standard deviation equal to .25 ounce.
 
  Given this information, the sampling distribution for a random sample of n = 25 cans will also be normally distributed with a mean equal to 12 ounces and a standard deviation equal to .05 ounce. Indicate whether the statement is true or false

Question 2

Suppose that an internal report submitted to the managers at a bank in Boston showed that with 95 percent confidence, the proportion of the bank's customers who also have accounts at one or more other banks is between .45 and .51.
 
  Given this information, what sample size was used to arrive at this estimate?A) About 344
  B) Approximately 1,066
  C) Just under 700
  D) Can't be determined without more information.


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micaelaswann

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

TRUE

Answer to Question 2

B


Mollykgkg

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Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review

daiying98

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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