This full solution covers the following key subjects: . This expansive textbook survival guide covers 44 chapters, and 1409 solutions. The answer to “Songs on an iPod Refer to Exercise 49. How many songs would you need to sample if you wanted the standard deviation of the sampling distribution of x to be 30 seconds? Justify your answer.” is broken down into a number of easy to follow steps, and 35 words. Since the solution to 51 from 7.3 chapter was answered, more than 509 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: The Practice of Statistics, edition: 5. The full step-by-step solution to problem: 51 from chapter: 7.3 was answered by , our top Statistics solution expert on 03/19/18, 03:52PM. The Practice of Statistics was written by and is associated to the ISBN: 9781464108730.