Not good with frequency tables need help

Done 9 myopenmath.com AA C, Chapter 1 Frequency Tables Score: 4/12 4/12 answered @331 W'EE 0 Question 7 v a 0/1 pt '0 3 8 99 (D Details Find the relative frequency for the class with lower class limit 31 Relative Frequency = C] % Give your answer as a percent, rounded to two decimal places Hint @ Question Help: E] Read 8 Message instructor Submit Question 9:32 Done & myopenmath.com AA C Chapter 1 Frequency Tables Score: 4/12 4/12 answered D : Question 12 > 0/1 pt 9 3 99 0 Details 240 people are asked how many siblings they have? The (incomplete) results are shown below (Please use 4 decimal places when apply): # of Frequency Relative Cumulative Siblings Frequency Frequency 0 0.2042 49 46 0. 1917 95 2 40 0. 1667 135 W 51 0.2125 186 4 54 Complete the table and determine what percent of the people have exactly three sibling(s)? % Hint Question Help: Read Message instructor Submit Question9:32 Done & myopenmath.com AA C Score: 4/12 4/12 answered Question 9 0/1 pt 9 3 99 0 Details Complete the table. Ages Number of Cumulative students Frequency 15- 18 10 19- 22 3 23- 26 2 27- 30 5 31- 34 5 35- 38 3 Question Help: & Written Example Message instructor Submit QuestionDone 9 myopenmath.com AA C', Chapter 1 Frequency Tables Score: 4/12 4/12 answered @381 15-085 0 Question 11 v [:4 0/1 pt '0 3 8 99 (D Details In a student survey, forty-one part-time students were asked how many courses they were taking this term. The (incomplete) results are shown below: Please round your answer to 4 decimal places for the Relative Frequency if possible. # of Relative Cumulative Frequency Courses Frequency Frequency \"SCI What percent of students take exactly three courses? C]% Hint: Frequency Tables 57' Question Help: E] Message instructor Submit Question a 0/1 pt '0 3 8 99 (D Details The following are goals scored by a soccer team at each game in their recent season. - - _ Question Help: 8 Message instructor Submit Question I Done 9 myopenmath.com AA C, Score: 4/12 4/12 answered @331 15-085 0 Question 1 v l3 0/1 pt '0 3 8 97 (D Details Data was collected for 313 randomly selected 10 minute intervals. For each ten-minute interval, the number of people entering the atrium of a large mall were recorded. The data is summarized in the table below. Number Frequency I of Guests I I 180 189 I 99 I 190 199 I 40 WIT WIT WW What is the class width for this GFDT? Question Help: E] Message instructor [:4 0/1 pt '0 3 8 98 (D Details Data was collected for 300 fish from the North Atlantic. The length of the fish (in mm) is summarized in the GFDT below. I Lengths (mm) I Frequency I 180 - 183 I 1 WIm I 188 - 191 I 71 192 - 195 108 196 - 199 I 83 WIm I 204 - 207 I 3 What is the lower class boundary for the first class? class boundary = :] Hint: Lower Class Boundary 51' tar 9:32 Done & myopenmath.com AA C Chapter 1 Frequency Tables Score: 4/12 4/12 answered D : Question 10 0/1 pt 5 3 99 0 Details 50 part-time students were asked how many courses they were taking this term. The (incomplete) results are shown below: # of Frequency Relative Cumulative Courses Frequency Frequency 1 16 0.32 2 11 3 a. Complete the table. b. What percent of students take exactly three courses? % Hint: Hint Question Help: Message instructor Submit Question A