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PiMaster314 PiMaster314
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4 years ago
Suppose that the average pop song length in America is 4 minutes with a standard deviation of 1.25 minutes. It is known that song length is not normally distributed. Suppose a sample of 25 songs is taken from the population. What is the approximate probability that the average song length will be less than 3.5 minutes? Round to the nearest thousandth.

▸ 0.155

▸ 0.023

▸ 0.345

▸ 0.477
Textbook 
Introductory Statistics: Exploring the World Through Data

Introductory Statistics: Exploring the World Through Data


Edition: 2nd
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beunikuelbeunikuel
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4 years ago
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PiMaster314 Author
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4 years ago
Smart ... Thanks!
rhockeygirl
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Yesterday
this is exactly what I needed
missnoname
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2 hours ago
Correct Slight Smile TY
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