1,334 prompts matching "Teach me the number of arrangements of n distinct objects"
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Practice: The variance of a binomial distribution as npq
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WAEC Prep: The variance of a Poisson distribution over two intervals
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Quiz: The standard deviation of a Poisson distribution
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WAEC Prep: The points of inflexion of the normal curve
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Spot My Mistake: The proportion of a normal distribution within one, two and three standard deviations
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Quiz: The probability in the upper tail of a normal distribution
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Quiz: Reading the wording of a question to decide which distribution applies
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Practice: The components of a vector given its magnitude and direction
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WAEC Prep: The position of a point in space written as a vector
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WAEC Prep: The magnitude of a vector after multiplication by a scalar
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WAEC Prep: A vector of magnitude one in three dimensions
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Quiz: The direction of a vector as an angle with the x-axis
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Practice: The magnitude of the sum of two vectors
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Worked Example: Finding the unit vector in the direction of a given vector
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WAEC Prep: The position vector of a point dividing a line in a ratio
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WAEC Prep: The position vector of a point relative to the origin
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Spot My Mistake: The vector from A to B as the difference of two position vectors
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Worked Example: The position vector of the midpoint of AB
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WAEC Prep: The parallelogram law of vector addition
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Worked Example: The triangle law of vector addition
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