Normal Curve Returns on investments from mutual funds over the period from 2015 to 2020 are known to be normally distributed, with mean, /, of 5.5 percent and standard deviation, O, of 2.4 percent. Knowing this, determine the following: Find the proportion of funds which can be closed as who are considered "marginal earners", defined as having returns of only between 0.5 perecent and 2.5 percent. (to FOUR decimal places) Saved Find the rate of return (%) that divides the distribution of funds such that 1 percent of the cases are above it. (to ONE decimal place) 11.1/ If a total of 9,000 funds constitute the population of all mutual funds existing between 2015 and 2020, how many of these avacraged less than 7.5percent? (answer will just be a whole number)