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What are the necessary conditions for a random variable to have a binomial distribution?

There can only be two possible outcomes, 'success' and 'fail' (e.g heads or tails) There is a fixed number of trialsThe probabilities of 'success' and 'fail' are constant and stay the same in each trial (...

Answered by Julie T. Maths tutor
2511 Views

How can I write a Personal Statement fit for Oxbridge?

Writing a Personal Statement when applying to Oxford or Cambridge is a different process to any other Personal Statement, particularly for an Arts degree. I teach my students the process of writing the pe...

1747 Views

Solve the quadratic equation x^2 + x - 6 = 0

There are 3 methods for solving quadratic equations;FactorisingThe quadratic equationCompleting the SquareUsing method 1,We observe that 2 and 3 are factors of 6 and that 3 - 2 = 1 so by factoring out we ...

Answered by Thomas A. Maths tutor
2955 Views

Describe three roles of membranes within cells.

Compartmentalisation - as different organelle's different metabolic reaction require different optimum environments such as pH and temperature. Site of chemical reactions such as photosynthesis or respira...

Answered by Biology tutor
5945 Views

How to conjugate regular verbs in the imperfect tense?

jugarjugabajugabasjugabajugábamosjugabaisjugabanhacerhacíahacíashacíahacíamoshacíaishacíanvivirvivíavivíasvivíavivíamosvivíaisvivían

Answered by Iveta L. Spanish tutor
1364 Views

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