1,324 prompts matching "Closure on a set of three elements under a stated rule"
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Learn: Finding lambda from a stated mean
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Explain Back: Testing whether data are Poisson by comparing mean and variance
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Quiz: The area under the normal curve, and what it represents
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WAEC Prep: Comparing two values from different normal distributions by z-score
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WAEC Prep: The standard normal distribution, with mean nought and variance one
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Explain Back: Converting a value to a z-score
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WAEC Prep: The probability that a normal variable exceeds the mean by more than one standard deviation
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WAEC Prep: Finding the mean or the standard deviation from a given probability
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WAEC Prep: When a Poisson distribution approximates a binomial one
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WAEC Prep: A question whose wording hides which distribution is meant
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WAEC Prep: Choosing between a binomial and a Poisson model
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Worked Example: The continuity correction when approximating a discrete distribution
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WAEC Prep: Writing a two-dimensional vector in i and j form
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Practice: The magnitude of the sum of two vectors
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WAEC Prep: The distance between two points from their position vectors
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WAEC Prep: Adding two vectors given in component form
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WAEC Prep: The dot product used to find the work done by a force
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WAEC Prep: The dot product worked out from components
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Practice: The dot product as the magnitudes times the cosine of the angle
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WAEC Prep: The resultant force on a particle given in i and j form
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