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The times of the finishers in the New York City 10km run are normally distributed with mean of  minutes and standard deviation  minutes. It is known that 70% of finishers have a finish time greater than 60 minutes. Let  denote the finishing time for finishers in this race. Find the standard deviation of the finishing time ().



The times of the finishers in the New York City 10km run are normally distributed with mean of 61 minutes and standard deviat
unts) Find the standard deviation of the finishing time (o). Jote: Provide the R code and output for the z-value or finding a
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Sol:- the 1 4 xi - av Let X be random variable denoting the tim finishers ~N(M, 92) a) According to the given Problem, P(x 35

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