A set of sweater prices are normally distributed with a mean of 58 dollars and a standard deviation of 5 dollars. What proportion of sweater prices are between 48.50, point, 50 dollars and 60 dollars? You may round your answer to four decimal places.

The customer price index(cpi), which measures the cost of a typical package of customer goods,was 208.8 in 2011 and 244.1 in 2016.let x=11 corresponding to the year 2011 an estimate to cpi into 2013 and 2014. assume that the data can be modeled by a straight line and the trend to continue idenfinitely.use data points to find such a line and then estimate the requested quantities