Question: Observations are drawn from a bell-shaped distribution with a mean of 27 and a standard deviation of 3. Approximately what percentage of the observations fall

Observations are drawn from a bell-shaped distribution with a mean of 27 and a standard deviation of 3. Approximately what percentage of the observations fall between 24 and 30? Note: Round your answer to the nearest whole percent. Approximately what percentage of the observations fall between 21 and 33? Note: Round your answer to the nearest whole percent. Approximately what percentage of the observations are less than 21? Note: Round your answer to 1 decimal place

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