1,323 prompts matching "Quiz: The biconditional as two conditionals taken together"
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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: 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: The probability that a normal variable lies below a given value
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Practice: Using the normal tables when the z-score is negative
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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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Practice: The components of a vector given its magnitude and direction
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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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Learn: The coordinates of a point in three dimensions
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WAEC Prep: The magnitude of a vector after multiplication by a scalar
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Learn: The magnitude of a three-dimensional vector
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WAEC Prep: The unit vector in the direction of a displacement
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Worked Example: Finding the unit vector in the direction of a given vector
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Learn: The unit vectors i, j and k
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WAEC Prep: The position vector of a point dividing a line in a ratio
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WAEC Prep: The position vector of a point relative to the origin
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