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example 183 it says this is a left-tailed example at the 5% level test the claim that the length of time it takes me to find parking on campus at FIU comes from a population with the median of less than 12 minutes so what Im doing here is looking at a problem thats been involved with signed test and its a hypothesis test cuz it says test the claim and it says that the median is less than 12 so our claim is that the median beta is less than 12 minutes right okay so from there Im going to do my H o and H a same as I always do and looking at the symbol in the claim I can see that H a and the claim are the same in this case NH o is going to express the idea of greater than or equal to that number so greater than or equal to 12 now from there Im going to look at what the sample size is for the problem I need to know what my n is remember Im to discard any number thats exactly equal to the number I see an H o so if any of these numbers are equal to 12 I will throw it out there are no