1,281 prompts matching "Series exam question with show all working"
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Explain Back: Locating the point of concurrence on a diagram
I have just studied locating the point of concurrence on a diagram in my SS3 Further Mathe
Spot My Mistake: Using concurrence to find the direction of an unknown third force
Act as my SS3 Further Mathematics tutor. Work a question on using concurrence to find the
Explain Back: A particle hanging from two strings set at different angles
I have just studied a particle hanging from two strings set at different angles in my SS3
Spot My Mistake: Finding two unknown tensions from three forces in equilibrium
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Spot My Mistake: When Lami's theorem may be used, and when it may not
Act as my SS3 Further Mathematics tutor. Work a question on when Lami's theorem may be use
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
Act as my SS3 Further Mathematics tutor. Work a question on why the probabilities in a dis
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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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
Quiz: The standard deviation of a Poisson distribution
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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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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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Quiz: Writing a two-dimensional vector as a column
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Spot My Mistake: Drawing a vector as a directed line segment
Act as my SS3 Further Mathematics tutor. Work a question on drawing a vector as a directed