According to a government study among adults in the 25-to 34-year age group, the mean amount spent per year on reading and entertainment is $1,987. Assume that the distribution of the amounts spent follows the normal distribution with a standard deviation of $568. (Round your z-score computation to 2 decimal places and final answers to 2 decimal places.) a. What percent of the adults spend more than $2,425 per year on reading and entertainment? Percentage ces b. What percent spend between $2,425 and $3,100 per year on reading and entertainment! Percentage c. What percent spend less than $1,050 per year on reading and entertainment? Percentage