Question
The average income in the city of Red Deer is $85,000 with a standard deviation of $20,000.A random sample of 100 residents is chosen. What
The average income in the city of Red Deer is $85,000 with a standard deviation of $20,000.A random sample of 100 residents is chosen.
What is the probability that a sample will be between $80,000 and $90,000?
Standard error =
Z =(Enter one of the Z-values)
Area =
Answer =
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Cost Management
Authors: Don R Hansen, Maryanne M Mowen, Dan L Heitger
5th Edition
357141091, 978-0357141090
