HW 9.5 Score: 088 0:22 answered . Question 6 v When setting up your hypotheses, it is very important to understand that the claim being tested might be H0, or it might be Ha. You need to think about whether the claim contains equality or not. Complete the following statements. a. The claim being tested {2222: is ALWAYS Ho \"iii:- is NEVER Ha fili- is NEVER Ho Cir- is ALWAYS Ha ""33 could be either Ho or Ha then b. If when expressed in symbols the claim includes 1:- , L35 or ""33 it CANNOT be H0 '33:? it MUST be Ho '73? it could be either Ho or Ha \"iii:- it MUST be Ha c. If when expressed in symbols the claim includes a\": , > or 7E then '3' it MUST be Ho '11:? it could be either Ho or Ha '13:? it MUST be Ha '31:? it CANNOT be Ha 0 Question 7 v Select all the claims that could be Ha in a hypothesis test. C] The mean age of students at a school is no more than 11.6 years C] At Least 73 percent of AHC students Live in Santa Maria C] The mean Length of trout in a stream has changed from 11.6 inches '7' Less than 73 percent of Americans travelled outide the US this year '7' At most 73 percent of Americans travelled outside the US this year '7' The mean Length of trout in a stream is 11.6 inches C] The mean age of students at a school exceeds 11.6 years C] More than 73 percent of AHC students Live in Santa Maria JHUIHI 1.\" an; H: 1.5 Hugh-5:5: . Question 9 v You are reading a research paper reporting on whether or not a new vaccine is more than 85% effective against a virus. The hypotheses are: Ho:p g; U.85;Ha:p > 0.85 The paper says that "the results were statistically significant". Remember that if the results are statistically significant, these means that Ho was rejected. Otherwise, H0 was not rejected. Choose the statement that best characterizes the conclusion in simple terms: '3' The vaccine is not more than 85% effective against the virus '13:? The vaccine is at least 85% effective against the virus '33:? The vaccine is more than 85% effective against the virus '33:? The vaccine is less than 85% effective against the virus