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What are the parameters of the Poisson distribution?

In a Poisson Distribution, there exists only one parameter, μ, the average number of successes in a given time interval. The mean and variance of the distribution are also equal to μ.
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Answered by Anuradha D. • Maths tutor
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What is the best way to prove trig identities?

In my experience the sure fire way to prove trig identities is by doing the following: 1) Assess the question e.g. is it obvious you're going to need a double angle or addition formula, can you see where cos...
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Some videos I've made

Prerequisite for addition formula: https://www.youtube.com/watch?v=iHZmi2MHqWc Proof of formula for sin(A+B): https://www.youtube.com/watch?v=BEETggUVMrY Proof of formula for cos(A+B): https://www.youtube.co...
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How does integration work?

There are a few different types of integration, the most common being Riemann integration . Riemann integration allows you to find the area under the graph of a function between two points. Its definition us...
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How do you take the derivative of a^x ?

There are two ways you can take the derivative of a^x. 1) Let y = a^x now we're trying to find dy/dx 2) ln(y) = xln(a) take logs of both sides and use log rules 3) (dy/dx)*(1/y) = ln(a) take the derivative o...
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