Question: 4. State the Null & Alternative Hypotheses for each situation: a) A healthcare company believes that they can change patient's stress levels if they play

4. State the Null & Alternative Hypotheses for each situation: a) A healthcare company believes that they can change patient's stress levels if they play music in the waiting room. They are not sure if the stress levels will increase, decrease, or remain the same. The mean stress level that people report on a scale of 1-10 is a 7. b) Justin Bieber wishes to increase attendance at his concerts by telling people he will no longer perform at the concert. The average attendance at Bieber's concerts is currently 12 people

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