Stefan Irwin, Marketing Manager at Classic Merchandise, is investigating response rates to scented and unscented direct mail catalogues. If the response rate for the scented catalogue (population 1) is higher, Mike will adopt the scented version. His staff randomly selects two samples of 200 each from the company’s customer database. One month after the 400 test catalogues were mailed, forty-five orders (twenty-five from the scented and twenty from the unscented) were received from the test catalogues. Assuming a  = .01, Mike’s alternate hypothesis is ________________.

( ) is a tea made in Lijiang and Yunnan Provinces in China, an area culturally dominated by the Naxi minority group. A: White Spirt B: Scented tea C: Three course tea D: Mashed tea

【单选题】花茶(Scented tea),属于()类,是根据茶叶具有吸香、香花具有吐香的特性,将茶叶和香花进行拼和窨制,使茶叶吸收花香而制成的带有花香的茶。 A. 全发酵茶 B. 半发酵茶 C. 不发酵茶 D. 再加工茶

中国是茶叶之乡。茶叶加工和饮茶习惯在中国已经有几千年的历史了。中国茶叶主要有7种，包括绿茶、红茶、乌龙茶、花茶（scented tea）、白茶、黄茶和黑茶。茶叶有健身祛病之功效（efficacy）。在茶室饮茶以及与朋友喝茶聊天是中国人主要的休闲社交方式。中国茶叶在世界上享有盛誉，早在唐朝时期就被传到日本，形成了日本的茶道（tea ceremony）。