Dependent Learning Express the null hypothesis Ho and the alternative hypothesis Ha in notation form in the following scenario. 1. A mathematics teacher claims that the mean IQ of statistics students is 110. The mean IQ of the 32 randomly selected Statistics students is 112 which is more than what the mathematics teacher claims. 2. The principal of the school claims that the main age of the teachers is 48 years. The mean age of the randomly selected 35 teachers is 44 years, which is not equal to what is claimed by the principal. 3. It is claimed that the percentage of viewers tuned to Channel 2's new sitcom is 30%. Out of the 250 viewers randomly selected, only 29% are tuned to Channel 2's new sitcom. Can it be concluded that the percentage of viewers tuned to Channel 2's new sitcom is less than 30%?