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Most students at ASU regularly by coffee on campus; in fact, about 56% buy coffee on campus (this is your population number). You think that this number is inflated, that it is actually less than this. You survey 25 students and find that only 42% of them buy coffee on campus. Would you use z or t to test this hypothesis? a. Z Distribution b. T Distribution

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Most students at ASU regularly by coffee on campus; in fact, about 56% buy coffee on campus (this is your

population number). You think that this number is inflated, that it is actually less than this. You survey 25 students and find that only 42% of them buy coffee on campus. 

Would you use z or t to test this hypothesis?

a. Z Distribution

b. T Distribution

 
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