The recommended hours of sleep per night for adults is 8 hours. A doctor, who works at a sleep study facility, believes the average number of hours of sleep per night for adults is more than the recommended 8 hours. To test this claim, at 5% significance level, the doctor collects the following data on a sample of 25 adults at a sleep study facility and records their amount of sleep. the following is the data from this study: sample size = 25 adults sample mean = 8.5 hours sample standard deviation = 0.9 hours Identify the null and alternative hypothesis for this study by filling in the blanks with correct symbol. HoH [Select] 8 Ha H [Select] 8