assignment

References | Mailings . Review View : Help QUESTION 4 1. 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 QUESTION 5 1. 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 less than $87,500? Z= Area Answer =