1,043 prompts matching "Why the total area under the normal curve is one"
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Spot My Mistake: Building a truth table column by column
Act as my SS2 Further Mathematics tutor. Work a question on building a truth table column
Worked Example: The truth table for the conditional
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Practice: The converse of a conditional
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Final Revision: A conditional statement set in an everyday situation
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Worked Example: The truth table for the biconditional
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Quiz: The biconditional as two conditionals taken together
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Spot My Mistake: De Morgan's laws in logic
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Final Revision: A longer statement tested for tautology
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Final Revision: An argument written in words and tested for validity
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Spot My Mistake: Arrangements with two particular items adjacent
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Worked Example: The number of ways n people sit round a round table
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Practice: Circular arrangements with two people together
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Spot My Mistake: Arrangements round a table with men and women alternating
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Final Revision: A word problem about seating at a round table
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Worked Example: Selections in which the order does not matter
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Quiz: Selecting from two groups at the same time
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Spot My Mistake: A selection with at least a stated number of one kind
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Final Revision: A word problem about choosing a delegation
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Quiz: The probability of drawing two red balls
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Practice: The probability of drawing one ball of each colour
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