Question

Question: Express the null hypothesis and the alternative hypothesis in sy.... b e the nut pothesis and the acturer ofarebehor system for be thesis in symbolic form p roduces The German pilsner The owner of the brewery does not agree with the refrigerator manufacturer and For the given hypothesis test explain the meaning of Type I , a TypeIl error, or a correct decision as specified i) in 2000, the mean thSAT come for wederis one who was 47. Five years later, in 2005, 3 wacher performed a hypothesis test to determine whether the average math SAT score of students at the school had chunged from the 2000 mean of 47. The hypotheses were Hes where the mean math SAT in 2005, for students at the school Explain the meaning of a Typell error. A) A Type would a ll in fact, 75, but the results od the sampling do not lead to B) A Type Here would occur in fact +475, but the results of the sampling fail to lead to that conclusion C) A Type Ilemer would our it in fact 475, but there of the sampling lead to the conclusion that . 473 D A Type Terror would occur it, in fact 05, and the results of the sampling lead to that Express the null hypothesis and the alternative hypothesis in symbolic form. Use the correct symbol , o) for the indicated parameter. 9 The manufacturer of a refrigerator system for beer kegs produces regerators are supposed to 9) muntain a true mea temperature of 4'. Ideal for a certain type of German pilsner. The owner of the brewery does not agree with the refrigerator manufacturer, and claims he can prove that the true meanteerature is incorrect. A HOME BH49" C) Ho.45 D) 1 45 HH 48° H45 H 48° H : 10) Toy Carter Motor Company claims that its new sedan, the Libra, will average better than 23 miles per gallon in the city. Use the true average mileage of the Libra A) HO: 23 B) Hou < 23 C) Ho: 23 D) Hou23 H >23 HE 23 H1: 23 H: 23 Determine the null and alternative hypotheses. II) A health insurer has determined that the reasonable and customary fee for a certain medical procedure is $1200. They suspect that the average fee charged by one particular clinic for this procedure is higher than $1200. The insurer wants to perform a hypothesis test to determine whether their suspicion is correct. A) Hou = $1200 Har $1200 B) Ho: > 51200 HA - $1200 C) Ho:u=$1200 Han> 51200 D) Họ: > $1200 Hau<$1200 E) Ho: u $1200 Haru<$1200

Answer 1

So linia (8 Tybe II esror i Ho is talse, failed to rejut In fact option B T at 475, but result of sampling failed to lead that conclusion. (9) Ho ll=480 Hi 4 & 48° (claim, B (10) ^ Ho: U= 23 Ho: l = 23 Haills 23 cisshole (claim) (1 © Ho: 4 = 1200 Haills 1200