Question: NULL & ALTERNATIVE HYPOTHESES? Class, let's say the established average amount of time a woman is in labor in your State was 15 hours (

NULL & ALTERNATIVE HYPOTHESES?

Class, let's say the established average amount of time a woman is in labor in your State was 15 hours ( just using any random number so don't quote me!), and you believe on your floor the labor hours are less. How would you write the null and alternative hypotheses in this case? Anyone?

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