1,334 prompts matching "The zero product rule, and why it works"
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Quiz: The standard deviation of a Poisson distribution
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Explain Back: Testing whether data are Poisson by comparing mean and variance
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WAEC Prep: The shape and the symmetry of the normal curve
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Worked Example: Finding a value from a given probability by working backwards
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WAEC Prep: The probability that a normal variable lies below a given value
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Quiz: The probability in the upper tail of a normal distribution
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WAEC Prep: Writing a two-dimensional vector in i and j form
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WAEC Prep: The position of a point in space written as a vector
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WAEC Prep: Writing a three-dimensional vector in i, j and k form
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WAEC Prep: The magnitude of a vector after multiplication by a scalar
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WAEC Prep: The magnitude of a two-dimensional vector
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Quiz: The direction of a vector as an angle with the x-axis
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WAEC Prep: The unit vector in the direction of a displacement
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WAEC Prep: A unit vector, and what makes it a unit
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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 distance between two points from their position vectors
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WAEC Prep: The position vector of a point relative to the origin
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WAEC Prep: The parallelogram law of vector addition
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Explain Back: The dot product of two perpendicular vectors
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Worked Example: Testing two vectors for perpendicularity
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