Question: Normal Distribution: Interpret and show all your work and interpretations for full point. Assuming that The monthly food expenditures of families of a certain size

Normal Distribution: Interpret and show all your work and interpretations for full point. Assuming that The monthly food expenditures of families of a certain size in one economic group are approximately normally distributed with a mean of $130 and a standard deviation of $20: a. (3 points) What percentage of the expenditures are less than $90? Interpret b. (3 points) What percentage of the expenditures are more than $150? Interpret

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