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Home Q & A Board Science-Related Homework Help Mathematics
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browniels browniels
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6 years ago
A bank manager wishes to estimate the average waiting time for customers in line for tellers. A random sample of 50 times is measured and the average waiting time is 5.7 minutes. The population standard deviation of waiting time is 2 minutes. Which Excel function would be used to construct a confidence interval estimate?
 a. CONFIDENCE.NORM
  b. NORM.INV
  c. T.INV
  d. INT
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preetpatel94preetpatel94
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6 years ago
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browniels Author
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6 years ago
This site is awesome
ofsuahasiufhoas
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Yesterday
You make an excellent tutor!
GeorgeNeist
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2 hours ago
this is exactly what I needed
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