Statistics homework help
Statistics homework help. Based on a survey conducted by Greenfield Online, 25 to 34 year olds spend the most each week on fast food. The average weekly amount of $44 was reported in a May 2009 USA Today Snapshot. Assuming that weekly fast food expedentures are normally distributed with a standard deviation of $14.50, what is the probability that a 25 to 34 year old will spend: a. Between $30 and $50 a week on fast food?b. More than $75 a week on fast food?
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