Question: need help with these questions Suppose a normal distribution has a mean of seven and a standard deviation of 1.75. What is the z-score of

need help with these questions

Suppose a normal distribution has a mean of seven and a standard deviation of 1.75. What is the z-score of x = 6.5? (Round your answer to two decimal places.)The patient retx'nlreryr time from. a particular surgical procedure is normally distributed with a mean of 5.1 days and a standard deviation of 2.5 days. What is the probability of spending more than 3 days in recovery? (Round your answer to four decimal places.)

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