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It is observed that waiting time of patients in a hospital is 15 minutes with a Standard deviation of 2 minutes. Sampling is used to
It is observed that waiting time of patients in a hospital is 15 minutes with a Standard deviation of 2 minutes. Sampling is used to validate this observation. Find the probability that the sampling mean lies between 12 to 17 minutes with sample size of 35 . [3M]
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