Stats Solutions

[Solution Library] The mean amount of time a customer waits in line at the Election Office during early voting is 12 minutes with a standard deviation of 1.5 minutes.

Question: The mean amount of time a customer waits in line at the Election Office during early voting is 12 minutes with a standard deviation of 1.5 minutes. Assuming the wait time is normally distributed,

  1. What percentage of time does a voter wait in line more than 15 minutes?
    [HINT: standardize to z-score & find area under curve]
  2. Obtain the 98 th percentile for wait time for early voters.

[HINT: shade area under the curve, identify z-scores & ‘un-standardize’]

Price: $2.99
Solution: The downloadable solution consists of 2 pages
Deliverable: Word Document


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