A witch's hat for a Halloween costume is 18.4 cm in diameter and 30 cm tall. What is the volume that the hat can hold? Report your answer in cm3 but do not include the unit cm3 in your answer box. Round your answer to the nearest whole number and do not include commas in your answer. The formula for the volume of a cone is V=13πr2h

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.