Complete parts a through c. a) What percent of quokkas weigh over 9.1 pounds? b) What percent of quokkas weigh under 7.7 pounds? 0) What percent of quokkas weigh between 7.7 and 9.1 pounds? 8) About [1% percent of quokkas weigh over 9.1 pounds. (Round to one decimal place as needed.) b) About D% percent of quokkas weigh under 7.7 pounds. (Round to one decimal place as needed.) c) About 13% percent of quokkas weigh between 7.7 and 9.1 pounds. (Round to one decimal place as needed.)