A-level数学| 一道题看懂Edexcel S1 normal distribution考点normal distribution(正态分布)一直都是Edexcel考局S1考试部分的难点之一,也是学生最容易失分的部分之一。同学们要是想拿高分,这一部分一定要拿下大部分的分数。今天我们就来看一道稍微难一点的正态分布类型题。
Edexcel A Level Economics Theme 3 Workbook: Business Behaviour and the Labour MarketOur Student Workbooks build students understanding, developing the confidence... P Davis 被引量: 0发表: 0年 The Behaviour of Graduates in the SME Labour Market: Evidence and Perceptions Small Business EconomicsBelfiel...
UNIT 2: MANAGING FINANCIAL RESOURCES AND DECISIONS Unit 2: Unit code: QCF level: Credit value: Aim Managing Financial Resources and Decisions H/601/0548 4 15 credits The unit aim is to provide learners with an understanding of where and how to access sources of finance for a business‚ an...
然后再通过formula book里的Percentage Points Of The Normal Distribution找到0.4所对应的值0.2533,因为Z的值是一个负数,所以Z=-0.2533。 (b)问和(a)问的步骤相同,P(L<35)=0.15,把35代入X的值,同样通过画图我们可以确定Z的值是负数,然后再通过formula book里的Percentage Points Of The Normal Distribution找到Z...