1,317 prompts matching "IGCSE Additional Maths Y10: No real roots, and what the discriminant shows — Pra"
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WAEC Prep: The mean of a binomial distribution as np
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Practice: The variance of a binomial distribution as npq
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Explain Back: Finding n and p from a given mean and variance
I have just studied finding n and p from a given mean and variance in my SS3 Further Mathe
Explain Back: Testing whether data are Poisson by comparing mean and variance
I have just studied testing whether data are Poisson by comparing mean and variance in my
WAEC Prep: The points of inflexion of the normal curve
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WAEC Prep: Why the total area under the normal curve is one
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WAEC Prep: Comparing two values from different normal distributions by z-score
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WAEC Prep: The probability that a normal variable lies below a given value
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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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Practice: Using the normal tables when the z-score is negative
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WAEC Prep: When a Poisson distribution approximates a binomial one
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Spot My Mistake: When the normal distribution may approximate the binomial
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WAEC Prep: A three-dimensional vector parallel to another
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Learn: The unit vectors i, j and k
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Learn: Subtracting one vector from another
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Learn: The angle between a vector and one of the axes
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WAEC Prep: Why the square root of a negative number needs i
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WAEC Prep: Writing the square root of minus nine in terms of i
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Quiz: Subtracting one complex number from another
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