29 Nov 4.28 Refer to Exercise 4.27. Approximately what pr
4.28 Refer to Exercise 4.27. Approximately what proportion of observations a. are less than 46? b. are less than 58? c. are greater than 54? 4.29 A set of data whose histogram is extremely skewed yields a mean and standard deviation of 70 and 12, respectively. What is the minimum proportion of observations that a. are between 46 and 94? b. are between 34 and 106?