18 results.
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Question in Julie's workspace
Application of the Poisson distribution given expected number of events per interval.
Finding probabilities using the Poisson distribution.
rebelmaths
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Question in Clodagh's workspace
rebelmaths
Application of the binomial distribution given probabilities of success of an event.
Finding probabilities using the binomial distribution.
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Question in Transition to university
Given the probabilities that each of four out of five friends will win a round of mini-golf, work out the probability that the fifth friend won't win, then use that to find the probability that they will win.
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Question in Bill's workspace
Given a random variable X normally distributed as N(m,σ2) find probabilities P(X>a),a>m;P(X<b),b<m.
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Question in Bill's workspace
Exercise using a given uniform distribution X, calculating the expectation and variance. Also finding P(X≤a) for a given value a.
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Question in Bill's workspace
Application of the binomial distribution given probabilities of success of an event.
Finding probabilities using the binomial distribution.
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Question in Bill's workspace
Application of the Poisson distribution given expected number of events per interval.
Finding probabilities using the Poisson distribution.
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Question in Content created by Newcastle University
The random variable X has a PDF which involves a parameter c. Find the value of c. Find the distribution function FX(x) and P(a<X<b).
Also find the expectation E[X]=∫∞−∞xfX(x)dx.
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Question in Content created by Newcastle University
Given a random variable X normally distributed as N(m,σ2) find probabilities P(X>a),a>m;P(X<b),b<m.
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Question in Content created by Newcastle University
Converting odds to probabilities.
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Question in Content created by Newcastle University
Application of the binomial distribution given probabilities of success of an event.
Finding probabilities using the binomial distribution.
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Question in Julie's workspace
Basic data structures and maths/stats functionality given.
You can configure the rest.
rebelmaths
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Question in Probability
r digits are picked at random (with replacement) from the set {0,1,2,…,n}. Probabilities that 1) all <k, 2) largest is k?
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Question in Ricardo's workspace
The random variable X has a PDF which involves a parameter c. Find the value of c. Find the distribution function FX(x) and P(a<X<b).
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Question in Bill's workspace
Given the pdf f(x)=a−bxc,r≤x≤s,f(x)=0 else, find P(X>p), P(X>q|X>t).
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Question in Bill's workspace
Determine if the following describes a probability mass function.
P(X=x)=ax+bc,x∈S={n1,n2,n3,n4}⊂R.
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Question in Bill's workspace
Two numbers from a set of 5 numbers are chosen at random, without replacement. Find the distribution X of their sum and E[X].
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Question in Bill's workspace
The random variable X has a PDF which involves a parameter c. Find the value of c. Find the distribution function FX(x) and P(a<X<b).