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Author Question: A retail store manager is trying to improve and control the rate at which cashiers sign customers up ... (Read 190 times)

RODY.ELKHALIL

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Question 1

At your first job out of college you have been assigned to the production of bottled 20 oz. soda.
The process has upper and lower limits of 20.5 and 19.5 oz, respectively, with a mean of 19.8 oz
and standard deviation of .3 oz. Your manager has requested the process produce no more than 3.4
defects per 1 million bottles produced. Calculate Cpk and then determine if the process is capable
or if you should be looking for assignable variation.

Question 2

A retail store manager is trying to improve and control the rate at which cashiers sign customers up for store credit cards. Suppose that the manager wants the maximum standard deviation of the sampling distribution to be 5% and he cannot estimate p-bar. How many observations per sample would this require?


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Marked as best answer by RODY.ELKHALIL on Dec 3, 2019

janieazgirl

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RODY.ELKHALIL

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Reply 2 on: Dec 3, 2019
Great answer, keep it coming :)


EAN94

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

 

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