Question: Please use the following information to answer question 7 - question 9 . Dr . Hu is training for Boston Marathon. Based on online research,

Please use the following information to answer question 7- question 9.
Dr. Hu is training for Boston Marathon. Based on online research, Dr. Hu found out that there were 24,607 runner finished last year (2022) with an average finish time of 3 hours 45 mins (225 mins) with a standard deviation of 60 mins.
Dr. Hu's personal best is 2 hours 45 mins (165mins).
If Dr. Hu maintains her personal best (165mins) and participates this year's marathon,
If the average finish time is 215mins with a standard deviation of 65mins.
What would be Dr. Hu's Z-score in this competition?
Please round to 100th decimals place (0.01)

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