931 prompts matching "Learn: What a binary operation actually is"
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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: Why the total area under the normal curve is one
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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: Comparing two values from different normal distributions by z-score
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WAEC Prep: The standard normal distribution, with mean nought and variance one
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Quiz: The probability in the upper tail of a normal distribution
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Practice: Using the normal tables when the z-score is negative
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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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WAEC Prep: Choosing between a binomial and a Poisson model
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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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Quiz: Reading the wording of a question to decide which distribution applies
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Worked Example: The distance between two points in three dimensions
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Quiz: The direction of a vector as an angle with the x-axis
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WAEC Prep: The unit vector in the direction of a displacement
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WAEC Prep: The distance between two points from their position vectors
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WAEC Prep: Showing a triangle is right-angled using the dot product
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