1,044 prompts matching "The probability that a normal variable exceeds the mean by more than one standar"
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Common Mistakes: Writing the converse, inverse and contrapositive of one statement
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Learn: The biconditional, p if and only if q
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Practice: What logical equivalence means
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Explain Back: Showing two statements equivalent by truth table
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Common Mistakes: Simplifying a compound statement using the laws
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Practice: Showing that a statement is a tautology
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Explain Back: Showing that a statement is a contradiction
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WAEC Prep: Testing an argument for validity by truth table
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Common Mistakes: The fallacy of denying the antecedent
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Practice: A selection that must include one particular member
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Explain Back: A selection that must exclude one particular member
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Common Mistakes: The number of ways of dividing a class into groups
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Explain Back: Probability with replacement and without replacement
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Common Mistakes: The link between Pascal's triangle and combinations
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Learn: The formula for the general term of an expansion
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Common Mistakes: The general term when one term in the bracket is negative
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IGCSE Additional Maths Y11: The perimeter of a sector — Show All Working
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IGCSE Additional Maths Y11: The area common to two overlapping circles — Show All Working
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IGCSE Additional Maths Y11: The ratios of 0, 90, 180 and 270 degrees — Show All Working
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IGCSE Additional Maths Y11: The symmetry of the sine and cosine graphs — Show All Working
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