1,323 prompts matching "Applying the sum to infinity formula when the ratio lies between minus one and o"
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Practice: The variance of a binomial distribution as npq
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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
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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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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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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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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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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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WAEC Prep: A vector of magnitude one in three dimensions
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WAEC Prep: Using a unit vector to write a force of given size
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WAEC Prep: A unit vector, and what makes it a unit
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Practice: A vector of stated magnitude in a given direction
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