1,213 prompts matching "Find alpha squared plus beta squared using sum and product"
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Practice: The probability of exactly r events 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: 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 z-score of a value that lies below the mean
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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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WAEC Prep: When a Poisson distribution approximates a binomial one
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WAEC Prep: A question whose wording hides which distribution is meant
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Spot My Mistake: When the normal distribution may approximate the binomial
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Quiz: Reading the wording of a question to decide which distribution applies
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WAEC Prep: Two vectors that are equal but drawn in different places
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Quiz: Writing a two-dimensional vector as a column
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Spot My Mistake: Drawing a vector as a directed line segment
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