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Observations are drawn from a bell-shaped distribution with a mean of 30 and a standard deviation of 6. There are 250 observations in the data

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Observations are drawn from a bell-shaped distribution with a mean of 30 and a standard deviation of 6. There are 250 observations in the data set. a. Approximately what percentage of the observations are less than 42? Note: Round your answer to 1 decimal place. Percentage of observations 97.7 % b. Approximately how many observations are less than 42? Note: Round your answer to the nearest whole number. Number of observations 245

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