1,312 prompts matching "Completing the square when the roots are not real"
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Practice: The probability of exactly r events in a Poisson distribution
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Worked Example: The probability of no events at all in a Poisson distribution
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WAEC Prep: Comparing the mean with the variance of a binomial distribution
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WAEC Prep: The expected number of successes in a practical problem
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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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WAEC Prep: The variance of a Poisson distribution over two intervals
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WAEC Prep: Using the mean of a Poisson distribution to find a probability
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WAEC Prep: The points of inflexion of the normal curve
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WAEC Prep: The shape and the symmetry of the normal curve
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WAEC Prep: The z-score of a value that lies below the mean
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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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WAEC Prep: The probability that a normal variable lies below a given value
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WAEC Prep: The zero vector, and what it means
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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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Worked Example: The distance between two points in three dimensions
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WAEC Prep: The magnitude of a vector after multiplication by a scalar
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