How much sleep someone needs depends on their age. The American Academy of Sleep Medicine has recommended that elementary school children aged 5-11 years should regularly sleep about 12 hours per 24...

Which of the following below could be the null hypothesis ? ( look at the image )

Extracted text: How much sleep someone needs depends on their age. The American Academy of Sleep Medicine has recommended that elementary school children aged 5-11 years should regularly sleep about 12 hours per 24 hours. Teachers believe that students are getting less than recommended sleep. Which of the below could be the null Hypothesis? O Ho: The average hours an elementary student gets is less than 12 hours. Ho: The average hours an elementary student gets is less than or equal to 12 hours. OHo: The average hours an elementary student gets is greater than 12 hours. Ho: The average hours an elementary student gets is greater than or equal to 12 hours.