This is a synthesis of research and common themes should form your supporting paragraphs
The mean monthly household electric bill in the United States was $148.76 with standard deviation $20.87. Assume the amounts are normally distributed.
The mean monthly household electric bill in the United States was $148.76 with standard deviation $20.87. Assume the amounts are normally distributed. Between what two amounts are the middle 89% of the electric bills? The middle 89% of the electric bills are between $ and $ . Round to the nearest cent. Send