Your friend in your statistics class is upset about a recent increase in the price to wash and dry a load of laundry. She wants to conduct a one proportion z-test to see if more than half the residents in her dorm oppose the increase. She will poll a random sample of 30 residents. Which Normal model will she use?
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Home » Mathematics » Your friend in your statistics class is upset about a recent increase in the price to wash and dry a load of laundry. She wants to conduct a one proportion z-test to see if more than half the residents in her dorm oppose the increase.