Davids iPod has about 10,000 songs. The distribution of the play times for these songs is heavily
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David’s iPod has about 10,000 songs. The distribution of the play times for these songs is heavily skewed to the right with a mean of 225 seconds and a standard deviation of 60 seconds. Suppose we choose an SRS of 10 songs from this population and calculate the mean play time x¯ of these songs.
a. Identify the mean of the sampling distribution of x̅.
b. Calculate and interpret the standard deviation of the sampling distribution of x̅. Verify that the 10% condition is met.
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