Jia Earn Lim's answer to Audrey's Junior College 1 H1 Maths Singapore question.
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Hello I hope this working is understandable :) I essentially formed a random variable denoting the required comparison between the uphill and running track lap time and use normal distribution to find the answer. For part ii as we’re given a fixed 40 trials, I used binomial distribution to find the probability.
Date Posted:
2 years ago