The monthly utility bill in a city are normally distributed , with a mean of $100 and a standard deviation of $15. Find the probability that a randomly selected until it's bill is   a) less than $67 b) between $90-$110 c) more than $140   round to four decimal places as a as needed

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Q: A study discovered that Americans consumed an average of 12.4 pounds of chocolate per year. Assume…

A: Note: Hi there! Thank you for posting the question. As no requirement is mentioned, we have solved…

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Q: Answer ONLY parts D,E

A: Solution

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