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Number of Questions Time allotted Exam Weight Section I, Part A: Multiple Choice Questions: 55 questions: 55 minutes: 40% Section I, Part B: Short-Answer Questions: 3 questions (2 required questions + 1 chosen from 2 others) 40 minutes: 20% Section II Part A: Document-Based Question: 1 question: recommended 60 minutes (includes 15-minute ...
[2] The first Advanced Placement exams were administered in 1954 by the Educational Testing Service (ETS) to students limited to 27 schools participating at that time. In 1955, the College Board assumed leadership of the program and testing, deciding on curricula and pedagogical approaches, while retaining ETS to design and score the tests.
The multiple choice section is scored by computer, with a correct answer receiving 1 point, with omitted and incorrect answers not affecting the raw score. This total is multiplied by 1.2 to calculate the adjusted multiple-choice score. [26] The free response section is hand-graded by hundreds of AP teachers and professors each June. [27]
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For example, if a = 2 and p = 7, then 2 7 = 128, and 128 − 2 = 126 = 7 × 18 is an integer multiple of 7. If a is not divisible by p, that is, if a is coprime to p, then Fermat's little theorem is equivalent to the statement that a p − 1 − 1 is an integer multiple of p, or in symbols: [1] [2] ().
The p-chart models "pass"/"fail"-type inspection only, while the c-chart (and u-chart) give the ability to distinguish between (for example) 2 items which fail inspection because of one fault each and the same two items failing inspection with 5 faults each; in the former case, the p-chart will show two non-conformant items, while the c-chart ...
In statistical process control (SPC), the ¯ and R chart is a type of scheme, popularly known as control chart, used to monitor the mean and range of a normally distributed variables simultaneously, when samples are collected at regular intervals from a business or industrial process. [1]
[2] In an isenthalpic process, the enthalpy is constant. [2] A horizontal line in the diagram represents an isenthalpic process. A vertical line in the h–s chart represents an isentropic process. The process 3–4 in a Rankine cycle is isentropic when the steam turbine is said to be an ideal one. So the expansion process in a turbine can be ...