1,306 prompts matching "Deriving the arithmetic series sum formula"
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Worked Example: Finding a particular term of a binomial expansion
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Practice: Using a binomial expansion to approximate a number
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WAEC Prep: A Poisson distribution taken over a different length of interval
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Explain Back: Finding n and p from a given mean and variance
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Learn: Finding lambda from a stated mean
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WAEC Prep: Comparing two values from different normal distributions by z-score
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Explain Back: Converting a value to a z-score
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Worked Example: Finding a value from a given probability by working backwards
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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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WAEC Prep: Two vectors that are equal but drawn in different places
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WAEC Prep: Writing a two-dimensional vector in i and j form
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Quiz: Writing a two-dimensional vector as a column
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Spot My Mistake: Drawing a vector as a directed line segment
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WAEC Prep: Writing a three-dimensional vector in i, j and k form
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WAEC Prep: A vector of magnitude one in three dimensions
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WAEC Prep: Using a unit vector to write a force of given size
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WAEC Prep: A unit vector, and what makes it a unit
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Practice: A vector of stated magnitude in a given direction
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