1,245 prompts matching "work, energy and power"
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Worked Example: The probability of no events at all in a Poisson distribution
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Explain Back: Finding n and p from a given mean and variance
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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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Explain Back: Testing whether data are Poisson by comparing mean and variance
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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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WAEC Prep: The standard normal distribution, with mean nought and variance one
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Worked Example: Finding a value from a given probability by working backwards
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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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WAEC Prep: Choosing between a binomial and a Poisson model
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Worked Example: The continuity correction when approximating a discrete distribution
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WAEC Prep: The zero vector, and what it means
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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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Worked Example: The distance between two points in three dimensions
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WAEC Prep: A unit vector, and what makes it a unit
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Worked Example: Finding the unit vector in the direction of a given vector
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Worked Example: The position vector of the midpoint of AB
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