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Home Q & A Board Science-Related Homework Help Mathematics
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thisisstupidash thisisstupidash
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6 years ago
The manager of a grocery store has selected a random sample of 100 customers. The average length of time it took these 100 customers to check out was 3.0 minutes. It is known that the standard deviation of the checkout time is 1 minute. With a .95 probability, the sample mean will provide a margin of error of _____.
 a. .95
  b. .10
  c. .196
  d. 1.96
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FvhdanFvhdan
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6 years ago
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thisisstupidash Author
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6 years ago
Correct Slight Smile TY
momochiime
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Yesterday
Smart ... Thanks!
djeghri
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2 hours ago
Thanks for your help!!
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