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On a recent survey from Starbucks, 3850 people were asked their age. The mean age was found to be 30 years with a standard deviation of 30 months.
Assume that the data is normally distributed and use the 68−95−99.7 Rule to answer the following questions.
AOf those surveyed, about how many people are at least 27.5 years old?
BOf those surveyed, about how many people are less than 27.5 years old?
On a recent survey from Starbucks, 3850 people were asked their age. The mean age was found to be 30 years with a standard deviation of 30 months.
Assume that the data is normally distributed and use the 68−95−99.7 Rule to answer the following questions.
AOf those surveyed, about how many people are at least 27.5 years old?
BOf those surveyed, about how many people are less than 27.5 years old?