1,202 prompts matching "Why a conditional and its contrapositive are equivalent"
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Spot My Mistake: The probability of exactly r successes in n trials
Act as my SS3 Further Mathematics tutor. Work a question on the probability of exactly r s
Practice: The probability of at least one success
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Quiz: The situations a Poisson distribution models
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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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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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Spot My Mistake: When the normal distribution may approximate the binomial
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Quiz: Reading the wording of a question to decide which distribution applies
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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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Quiz: The direction cosines of a vector in three dimensions
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Quiz: The direction of a vector as an angle with the x-axis
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Practice: The magnitude of the sum of two vectors
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Practice: A vector of stated magnitude in a given direction
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Spot My Mistake: The vector from A to B as the difference of two position vectors
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Practice: The dot product as the magnitudes times the cosine of the angle
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Quiz: The vector equation of the line through two given points
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Practice: Deciding whether a point lies on a given line
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Spot My Mistake: The equilibrium condition written in vector form
Act as my SS3 Further Mathematics tutor. Work a question on the equilibrium condition writ