C ... OneNote Home Insert Draw View Share Cut 20 VEEV Heading 1 To Do [ Copy Paste Format B I U ab XV L Av Ev X Heading 2 * Important IN 21 - 23 IB Al Note... F x Read-only Exam paper is read-only. Copy content from here to another location to edit it. Q CH16 C... Exam cover... HL_CH... (2020-21) F... [Maximum mark: 6] L HL_CH... (2020-21) F... HL_CH... The box plot summarizes the times taken by a group of 40 children to complete an obstacle course. (2020-21) F... HL_CH.. (2020-21) F... HL_CH... (2020-21) F... 9.5 12.3 17.5 19.6 HL_CH... HL_CH... HL_CH... 10 15 20 HL_Ch... time (minutes) HL_CH... [2] 8 HL_CH... (a) Find the interquartile range. HL_CH... Two of the 40 children are selected at random. Find the probability that: HL_CH... (5L05) H... (b) both completed the course in less than 9.5 minutes. [2] 3 52 Daily ex... (c) one completed the course in less than 9.5 minutes and the other in between 9.5 and 17.5 HL_Dail... minutes. [2] 10 HL_ho.. 39 Homew... HI Add section Add page