1,199 prompts matching "how many ways can a committee of 4 be chosen from 10 people"
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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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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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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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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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WAEC Prep: Writing a two-dimensional vector in i and j form
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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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WAEC Prep: A three-dimensional vector parallel to another
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WAEC Prep: Writing a three-dimensional vector in i, j and k form
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WAEC Prep: A unit vector, and what makes it a unit
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Learn: The unit vectors i, j and k
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WAEC Prep: Adding three vectors in component form
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WAEC Prep: Adding two vectors given in component form
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Learn: Subtracting one vector from another
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