1,288 prompts matching "WAEC exam question: symmetric functions of roots"
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Spot My Mistake: Finding two unknown tensions from three forces in equilibrium
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Learn: Finding two unknown forces by Lami's theorem
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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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Practice: Using a binomial expansion to approximate a number
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Explain Back: The binomial probability formula
I have just studied the binomial probability formula in my SS3 Further Mathematics class.
Quiz: The situations a Poisson distribution models
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Explain Back: Finding n and p from a given mean and variance
I have just studied finding n and p from a given mean and variance in my SS3 Further Mathe
Learn: Finding lambda from a stated mean
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Explain Back: Testing whether data are Poisson by comparing mean and variance
I have just studied testing whether data are Poisson by comparing mean and variance in my
Quiz: The area under the normal curve, and what it represents
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Explain Back: Converting a value to a z-score
I have just studied converting a value to a z-score in my SS3 Further Mathematics class. L
Spot My Mistake: Reading a probability from the standard normal table
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Learn: The probability that a normal variable lies between two values
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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: 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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Learn: The unit vectors i, j and k
You are my personal SS3 Further Mathematics tutor. Teach me the unit vectors i, j and k, w