Mathematics, 28.06.2019 14:30 Cocco

In a manual on how to have a number one song, it is claimed that a song must be no longer than 210 seconds. a simple random sample of 20 current hit songs results in a mean length of 234.3 sec and a standard deviation of 54.14 sec. use a 0.05 significance level and the accompanying ti -83 display to test the claim.

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In a manual on how to have a number one song, it is claimed that a song must be no longer than 210 s...

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