S2 EDEXCEL REVISION NOTES Binomial Distribution Binomial probability distribution is defined as: * P(X=r) = nCr x pn x (1-p)n-r * Distribution is written as: X~B(n‚p) Conditions include: * Fixed number of trials * All trials are independent of one another * Probability of success remains constant * Each trial much have the same two possible outcomes E(X) = np Var(X) = npq [where q = 1 - p] SD(X) = Var (X) = npq To calculate the probabilities:
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Unit 3 – 4.1 It is important that you are aware of the signs‚ symptoms and indicators of child abuse; because when you see child is not happy or there is a change in personality then this could raise concerns that a child is being neglected or abused. There are different types of signs and symptoms ‚ changes in behaviour and indicators that this abuse is occurring‚ these are: Physical abuse‚ bruises to the eyes‚ mouth‚ or ears‚ fingertip bruising (grasp mark)‚ bruises of different ages in the same
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Psychology Revision | Unit 1 and Unit 2 | | | Damien Edwards | | | | Cognitive Approach Craik and Tulving (1975) Aim – To test the Levels of Processing theory‚ and see if words processed semantically had better recall than words processed phonetically or structurally. Results – 17% recall for structural‚ 36% for phonetic and 65% for semantic processing. Conclusion – The deeper the level of processing‚ the stronger the memory‚ while shallow processing produces weak memory
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XxxxxxSara FurnessBusiness StudiesIssue 1July 2008 Edexcel Advanced Subsidiary and Advanced GCE in Business Studies First award 2010 July 2008 Edexcel‚ a Pearson company‚ is the UK’s largest awarding body‚ offering academic and vocational qualifications and testing to more than 25‚000 schools‚ colleges‚ employers and other places of learning in the UK and in over 100 countries worldwide. Qualifications include GCSE‚ AS and A Level‚ NVQ and our BTEC suite of vocational qualifications
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Unit 3 1.1 Policies‚ procedures and legislation in force within the UK to protect children and young people include: - The Child Act 1989 - Every Child Matters (ECM) England - Safeguarding children and Safer Recruitment in Education 2007 - E-Safety - Bullying and Cyber Bullying - Safeguarding Disabled Children 2009 1.2 Child protection is action taken to protect a child or young person at risk or suffering from harm. Safeguarding in the wider context is preventing risks of harm to a child
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According to Minton (2003) establishment of good practice in teaching means a repeated cycle of preparation‚ teaching and review”. “Teaching is a continuous process which follows a series of steps to ensure effective learning and (Wilson‚ 2009). There are five steps in the teaching/training cycle; identifying needs‚ planning/designing‚ facilitating‚ assessing and evaluating. Teachers have a role/responsibility and boundaries. Each step in the cycle requires specific roles and responsibilities of
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BIOLOGY UNIT 2 – STUDY GUIDE CHAPTER 1: Environmental Factors and adaptions; 13.1 Note: Living organisms can survive‚ grow and reproduce only in surroundings that provide sufficient levels of nutrients‚ water‚ oxygen and carbon dioxide‚ and suitable living conditions such as light and temperature. Tolerance range: the range of conditions – for example‚ temperature that an organism can survive in. Tolerance range also affects the distribution of an organism meaning where they live. To
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plastic surgeon because she makes a lot of money the pros are that she makes a lot of money and the cons are that he life is work. 2. What housing and car option did you choose? Why? I pick the mansion because she makes a lot of money. 3. How much money did you allocate for the character’s retirement and paying off debts? Were you successful in management the money so that the character has some disposable income? I allocated 2785 to pay off debts yes I was successful to management
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Evolution Lab: Finches and Natural Selection Antonio Joseph O. dela Merced Principles of Biology Instructor: Matthew Scholten Evolution Lab: Introduction Evolution is a natural process in which animals adapt to their surroundings so that they may survive. There are many variables in an animal’s environment that influence its evolution. The purpose of this lab is to examine finches from the island of Darwin and the island of Wallace and how the island size‚ finches’ clutch size and the
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Chapter 3 Review 1. Which of the following is true about a TCP/IP network? A) The network uses only standards defined in TCP/IP RFCs. 2. Which of the following terms is not a common synonym for TCP/IP model? (Choose two answers.) D) TCP/IP mapping and C) Ethernet 3. Think generically about the idea of a networking standard‚ ignoring any particular standard or standards group. Which of the following is typically true of a standard? (Choose two answers.) B) It exists as a deployed network device
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