1,327 prompts matching "Quiz: Expanding a bracket to the power four using Pascal's triangle"
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Learn: The standard deviation of a binomial distribution
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WAEC Prep: The variance of a Poisson distribution over two intervals
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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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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 z-score of a value that lies below the mean
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Explain Back: Converting a value to a z-score
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Spot My Mistake: Reading a probability from the standard normal table
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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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Learn: The probability that a normal variable lies between two values
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Spot My Mistake: When the normal distribution may approximate the binomial
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Worked Example: The continuity correction when approximating a discrete distribution
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WAEC Prep: Two vectors that are equal but drawn in different places
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WAEC Prep: Writing a two-dimensional vector in i and j form
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Spot My Mistake: Drawing a vector as a directed line segment
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WAEC Prep: Writing a three-dimensional vector in i, j and k form
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Learn: The coordinates of a point in three dimensions
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Worked Example: The distance between two points in three dimensions
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