please solve in easiest way with simple formula – grade 12 data…

Question Answered step-by-step please solve in easiest way with simple formula – grade 12 data… Image transcription text9. Rohit is an engineer who designs roller coasters. He wants to develop a ride that 95% of the population canride. The average adult in North America has a mass of 73.1 kg with a standard deviation of 14.3 kg. What rangeof masses should he be prepared to anticipate? [2] 10. A class of 160 students took a final examin… Show more… Show moreplease solve in easiest way with simple formula – grade 12 data management – probability distributions Math Statistics and Probability DATA MDM Share QuestionEmailCopy link Comments (0)