Question: 4 Please answer all questions. show all work step by step. thank you. QUESTION 7 The patient's recovery time from a particular surgical procedure is

Please answer all questions. show all work step by step. thank you.

QUESTION 7 The patient's recovery time from a particular surgical procedure is normally distributed with a mean of 18 days and a standard deviation of 2.97 days. Let X - is the number of days a randomly selected patient needs to recover from the surgical procedure. What is the lower bound of the 95% confidence interval of X? QUESTION B The time needed to find a parking space is normally distributed with a mean of 26 minutes and a standard deviation of 2.93 minutes. 90% of the time, it takes less than how many minutes to find a parking space

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