775 prompts matching "Checking a conjugate answer by multiplying back"
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WAEC Prep: The Poisson formula, and what lambda stands for
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Quiz: The situations a Poisson distribution models
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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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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: Why the mean and the variance of a Poisson distribution are equal
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Quiz: The standard deviation of a Poisson distribution
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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: The shape and the symmetry of the normal curve
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Quiz: The area under the normal curve, and what it represents
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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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WAEC Prep: The standard normal distribution, with mean nought and variance one
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Spot My Mistake: Reading a probability from the standard normal table
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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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Quiz: The probability in the upper tail of a normal distribution
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