1.if selecting samples of size n = 10 from a population with a known mean and standard deviation what requirement‚ if any must be satisfied in order to assume that the distribution of the sample means is a normal distribution The population must have a normal distribution. 2. find the area of the shaded region. The graph depicts that standard normal distribution with mean 0 and standard deviation 1. M: 0 δ: 1 Z: 1.13= .8708 2ND DIST. #2 LOWER: -999999 UPPER: 1.13 U: 0 δ: 1 =.8707618393 3. Shaded
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tools‚ this is‚ and tools that cut with only a single edge in contest with the work. Most turning is done with coated index able carbide inserts‚ but the tool material may also be high-speed steel‚ brazed carbide‚ ceramic‚ cubic boron nitride‚ or polycrystalline diamond. 75 percent of turning operations use just a few basic tool geometries. When tool holder itself rather than the actual insert. However‚ let’s first focus on the inserts. The geometry of an insert includes: 1. The insert’s basic shape
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resources needed to produce construction materials‚ and the devastation of natural ecosystems. In this essay we attempt to demonstrate that even when the construction industry has several issues‚ there are many options to improve it and the impact of them in the environmental‚ social and economic dimensions can be considerably reduce in order to get a higher social responsibility. CONSTRUCTION ISSUES 1. Environmental Impact. Half of the materials used in the construction industry come from
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VOL. 70‚ NO. 5‚ MAY 1982 Silicon as a Mechanical Material KURT E. PETERSEN‚ MEMBER‚ IEEE Abstract-Single-crystal silicon is being increasingly employed in a variety of new commercial products not because of its well-established electronic properties‚ but rather because of its excellent mechanical properties. In addition‚ recent trends in the engineering literature indicate a growing interest in the use of silicon as a mechanical material with the ultimate goal of developing a broad range
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3 b. Introduction 3-4 2. Material and Methodology a. Materials & Apparatus 5 b. Procedure 5 3. Results and Discussions a. Results & Calculations 6-8 b. Discussions 9-10 4. Conclusion 10 5. Reference 11 6. Appendix 12 OBJECTIVE 1. To enable students to familiarize themselves with different types of engineering materials. 2. To compare their physical properties.
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P D Y Chapter 3 1 0 2 SURFACE MINING METHODS REFERENCE: BULLIVANT‚ DA. Current Surface Mining Techniques. Journal for the Transportation of Materials in Bulk: Bulk Solids Handling‚ vol 7‚ n6‚ December 1987‚ pp827-833. 2.1 Ore reserves Suitable for Surface Mining Ore reserves suitable for surface mining can be classified initially as; Relatively horizontal stratified reserves with a thin or thick covering of overburden Stratified vein-type deposits with an inclination steeper
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Metallic element gives up valence electrons to the nonmetallic elements. Attractive forces from positive and negative ions Ceramic materials: high melting temperatures‚ hard‚ poor conductors Covalent Bonding Electrons are shared between adjacent atoms resulting in stable electron configurations. Many nonmetallic elemental molecules are covalently bonded. Polymeric materials have this bond. Crystal Structure Describe the crystal structure using an array of points or lattice. The unit cell is the
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Tall (Nature) In my family all four of them are short. My parents are about 5’5 and my sisters are about 5’3‚ while I am about 6’1. I don’t know where I get my height from‚ but when I look at my cousins from my dad’s side every single one of the guys are just about 6’0 or higher and the tallest being 6’6. I have about 30 male cousins on my dad’s side. Also my grandfather from my mom’s side is 6’1‚ so I guess I got some of the height from him also. I actually
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Research methods Lecture #4 Planning phase 1. understanding the problem gather information use multiple sources of information if possible Posing/refining questions 1. what are the questions we want to adress? descriptive (studying the world as it is) vs. normative questions 2. Verifying the questions transforming/organizing questions into research hypotheses checking if our questions/hypotheses are: explicit(no hidden assumptions)‚ logical‚ testable Planning phase 2. selecting research design
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1) Selection • Criteria: o Technical expertise and knowledge are used as the most important selection criteria. o Leadership qualities. o Good organizational skills and adaptability. Kealey’s model for overseas effectiveness. E (Effectiveness) = F (Professional expertise + Adaptation + Intercultural interaction + Situational readiness) Explianation Kealey’s model: o A successful international assignment‚ managerial effectiveness is the ability to live and work effectively in the cross-cultural
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