1,334 prompts matching "Beads on a necklace, and why the count halves"
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WAEC Prep: The Poisson formula, and what lambda stands for
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Learn: The standard deviation of a binomial distribution
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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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Learn: The mean, median and mode of a normal distribution
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Spot My Mistake: The proportion of a normal distribution within one, two and three standard deviations
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WAEC Prep: The standard normal distribution, with mean nought and variance one
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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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Practice: The components of a vector given its magnitude and direction
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Learn: The angle between a vector and one of the axes
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WAEC Prep: The resultant force on a particle given in i and j form
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WAEC Prep: The conjugate of a complex number, and how it is written
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Quiz: The product of a complex number and its conjugate
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Practice: The sum of a complex number and its conjugate
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WAEC Prep: The conjugate shown on an Argand diagram
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WAEC Prep: Plotting a complex number as a point on the Argand plane
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Practice: The addition of complex numbers shown on an Argand diagram
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Quiz: The roots of a complex number shown on an Argand diagram
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WAEC Prep: The greatest and least values of a function in a closed interval
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