351 prompts matching "A probability found by counting arrangements"
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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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Structured question: probability using combinations, exam style
I am in SS 3. Give me a structured question where I must find a probability by dividing th
Spot My Mistake: Squaring a 2 by 2 matrix
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Spot My Mistake: Multiplying a 3 by 3 matrix by a 3 by 1 column
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Spot My Mistake: Forming the determinant Dx by replacing the first column
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Spot My Mistake: Checking a Cramer's rule solution by substituting back
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Spot My Mistake: Checking cofactors by expanding the determinant along a second row
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Spot My Mistake: Finding the adjoint of a 3 by 3 matrix
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Spot My Mistake: The probability of exactly r successes in n trials
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Spot My Mistake: Reading a probability from the standard normal table
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Spot My Mistake: Dividing one complex number by another using the conjugate
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Spot My Mistake: Classifying a stationary point by the second derivative
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Spot My Mistake: Arrangements in which two particular objects must be kept apart
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Show All Working: Arrangements of the letters of a given word
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Show All Working: Counting the handshakes, or the lines joining n points
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Spot My Mistake: Solving an equation by first applying a Pythagorean identity
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Spot My Mistake: The general form ax plus by plus c equals nought
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Spot my mistake: Negating the leading diagonal and swapping the other two entries when inverting a 2 by 2 matrix
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Spot my mistake: Assuming multiplying a vector by a negative scalar leaves its magnitude negative
Act as my SS3 Further Mathematics tutor. Write a short answer on assuming multiplying a ve