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In designing the features for a new auto line,

/in /by

In designing the features for a new auto line, an auto engineer wonders
if customers have a preference between radio, CD, or MP-3 players when listening to music while driving. The engineer randomly surveys 300 customers who are shopping for a new car. Under the null hypothesis, how many customers should prefer the MP-3 player?

A. 100
B. more than 150
C. close to 300
D. There is not enough information to tell.

 
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