1,155 prompts matching "IGCSE Additional Maths Y11: How much working a 'show that' question needs — Work"
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Worked Example: Matching each force to the sine of the angle opposite it
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Spot My Mistake: When Lami's theorem may be used, and when it may not
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Explain Back: A probability distribution table for a discrete random variable
I have just studied a probability distribution table for a discrete random variable in my
Spot My Mistake: Why the probabilities in a distribution must sum to one
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Worked Example: Finding a particular term of a binomial expansion
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Explain Back: The binomial probability formula
I have just studied the binomial probability formula in my SS3 Further Mathematics class.
Spot My Mistake: The probability of exactly r successes in n trials
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Quiz: The situations a Poisson distribution models
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Worked Example: The probability of no events at all in a Poisson distribution
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Explain Back: Finding n and p from a given mean and variance
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Quiz: The standard deviation of a Poisson distribution
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Explain Back: Testing whether data are Poisson by comparing mean and variance
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Quiz: The area under the normal curve, and what it represents
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Spot My Mistake: The proportion of a normal distribution within one, two and three standard deviations
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Explain Back: Converting a value to a z-score
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Spot My Mistake: Reading a probability from the standard normal table
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Quiz: The probability in the upper tail of a normal distribution
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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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Quiz: Reading the wording of a question to decide which distribution applies
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