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A courier service company has found that their delivery time of parcels to clients is normally distributed with a mean of 22 minutes and a standard Deviation of 4 minutes. What is the probability that a randomly selected parcel will take less than 13 minutes to deliver to the client?
3 years ago

Answers

PsyDAG
Z = (score-mean)/SD

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z score.
3 years ago

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