1,243 prompts matching "IGCSE Additional Maths Y11: What to do when a question cannot be started — Commo"
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Learn: The standard deviation of a binomial distribution
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Learn: Finding lambda from a stated mean
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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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Spot My Mistake: Reading a probability from the standard normal table
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Learn: The probability that a normal variable lies between two values
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Quiz: The probability in the upper tail of a normal distribution
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Learn: The coordinates of a point in three dimensions
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Learn: The real and the imaginary parts of a complex number
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Quiz: Subtracting one complex number from another
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Spot My Mistake: Dividing one complex number by another using the conjugate
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Quiz: The product of a complex number and its conjugate
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Quiz: The argument of a complex number
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Explain Back: The locus of a complex number at a fixed distance from a point
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Quiz: Writing a complex number in polar form
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Spot My Mistake: Deriving a multiple angle formula from de Moivre's theorem
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Learn: The cube roots of unity
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Quiz: The roots of a complex number shown on an Argand diagram
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