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Question 6

Multiple Choice

Use the following to answer the questions below:
A student suspects that the length of songs currently on her Spotify playlist are approximately normally distributed with a mean of 257 seconds and standard deviation 62 seconds.
-The symmetric middle 90% of songs have lengths between what two values? Round all values to one decimal place.


A) 155.0 seconds and 359.0 seconds
B) 151.0 seconds and 363.0 seconds
C) 149.0 seconds and 365.0 seconds
D) 153.0 seconds and 361.0 seconds

Correct Answer:

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