Question 26 (Mandatory) (3 points) A certain strain of bacteria occurs in all raw milk. The health department has found that if the milk is not contaminated, the bacteria count per milliliter of milk has a normal distribution with a mean of 2500 and a standard deviation of 300. In a large commercial dairy, the health inspector takes 42 random sample of the milk produced each day. At & - 0.05, what is the rejection region if the health inspector wants to see if the milk produced from the dairy is contaminated? Oz: -1.96 orz : 1.96 Of : 1.6839 Ot:-20211 ort : 2.0211 Oz : 1.96 Oz: -1.645 or z 2 1.645 Question 27 (Mandatory] (3 points) An old survey claims that the average cost of a hotel room in Atlanta is $69.21. To test if the current cost is different, a researcher selects a sample of 32 hotel rooms and finds that the average cost is $68.43. The standard deviation of the population is $3.72. If the observed value of the test statistic is - 1.19, what is the p-value for the test? 0.05 0.1170 0.2431 O0.10 0.2340