Question: The average on a statistics test was 75 with a standard deviation of 11. If the test scores are normally distributed, find the probability that

The average on a statistics test was 75 with a standard deviation of 11. If the test scores are normally distributed, find the probability that the mean score of 36 randomly selected students is between 72 and 81

11.5% of the population is in favor of a new park. 300 citizens were surveyed. What is the probability that between 11% and 15% of them will be in favor of the new park?

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