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Question 10 0.5 pts Billboard has speculated that the average length of a song on one of today's popular CDs is 4.2 minutes with a

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Question 10 0.5 pts Billboard has speculated that the average length of a song on one of today's popular CDs is 4.2 minutes with a standard deviation of 0.79 minutes. A randomly selected song of a particular new type of music is 8 minutes. Using the .05 level of significance, is this new type of music, represented by this one song, longer than popular songs in general? calculate the sample's z score. (round to the 100th place)

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