1,319 prompts matching "A selection with at least a stated number of one kind"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Practice: Choosing the most convenient pair of directions to resolve along
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Practice: The direction of the resultant of several coplanar forces
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WAEC Prep: Drawing a clear force diagram for a body at rest
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WAEC Prep: Calculating a moment as force times perpendicular distance
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Explain Back: A particle hanging from two strings set at different angles
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WAEC Prep: The four conditions a binomial situation must satisfy
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WAEC Prep: The Poisson formula, and what lambda stands for
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Practice: The probability of exactly r events in a Poisson distribution
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Practice: The variance of a binomial distribution as npq
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Explain Back: Testing whether data are Poisson by comparing mean and variance
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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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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: Two vectors that are equal but drawn in different places
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Practice: The magnitude of the sum of two vectors
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WAEC Prep: A unit vector, and what makes it a unit
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Practice: The dot product as the magnitudes times the cosine of the angle
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WAEC Prep: The conjugate shown on an Argand diagram
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Practice: Converting a complex number from polar form back to a plus bi
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