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Home Q & A Board Science-Related Homework Help Mathematics
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tmontes00 tmontes00
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6 years ago
The manager of a grocery store has taken a random sample of 100 customers. The average length of time it took these 100 customers to check out was 3 minutes. It is known that the standard deviation of the population of checkout times is 1 minute. The standard error of the mean equals
 a. .001.
  b. .010.
  c. .100.
  d. 1.000.
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takirahh_takirahh_
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6 years ago
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tmontes00 Author
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6 years ago
Thank you, thank you, thank you!
kh540941
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Yesterday
Correct Slight Smile TY
rhockeygirl
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2 hours ago
Thanks
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