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There are 10 beads in a bag. Four beads are green, six are black. If three beads are taken at random without replacement, what is the probability that they are the same colour?

There are two possible outcomes in which all beads are the same colour: they may be all green, or all black. We need to work out the probability of each outcome to start with. This is done by multiplying tog...
TW
Answered by Tom W. • Maths tutor
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How to structure an answer to a 6 mark question?

The response to a 6 mark question should be well balanced and include reference to scripture or religious texts to use as evidence. A helpful way to include all of these elements within an exam answer is to ...
RM
15280 Views

Describe to me where you live.

Wo wohnst du? Where do you live?Ich wohne mit meiner Familie in einem Einfamilienhaus. Es besteht aus drei Schlafzimmern, einem Wohnzimmer, einer Küche, einem Esszimmer, einem Computerzimmer, zwei Badezimmer...
TD
1890 Views

Give possible reasons why increase in pulse rate after exercise may be different for each individual.

Gender differencesdifferences in body massreference to health of lungs/heart/fitness leveltype of exercise conducted
TD
4907 Views

Explain eutrophication.

How I would explain to the student:pollution of streams and rivers because of fertiliser use, open sewers into water courseexcess nutrients get washed up in water courseplants flourish using these mineralsso...
TD
2958 Views