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Discuss whether than price discrimination is always beneficial

In intro show own knowledge and definitions of key terms. Build up case for argument. Then focus on consumers (how some gain, some lose, overall lose as producers make more profit), how producers gain &am...

Answered by Tobias M. • Economics tutor

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Hannah's sweet problem (Edexcel 2015): There are n sweets, 6 are orange, rest of the sweets are yellow. She takes 2 sweets randomly without replacing them and the probability that 2 orange sweets are chosen is 1/3. Show that n^2-n-90 = 0.

Draw a probability tree diagram. For this question, only two branches are required (orange and orange). At the start, there are n sweets in total, 6 are orange, so p(O) = 6/n. On our second pick, there ar...

Answered by Yimin Z. • Maths tutor

5385 Views

How do I prepare for an exam you're not supposed to revise for?

Stay updated - knowing more about the world gives you more things to talk about.

Have an opinion - easier said than done! Try asking yourself WHY you think that.

Answered by Zoe C. • LNAT tutor

1838 Views

Karen got 32 out of 80 in a maths test. She got 38% in an English test. Karen wants to know if she got a higher percentage in maths or in English. Did Karen get a higher percentage in maths or in English?

We are given that Karen got 38% in her English test, so all that's left to do is work out the percentage she achieved in her maths test and then compare it with 38%: We calculate the percentage by taking ...

Answered by Hal C. • Maths tutor

8068 Views

What are the difference types of transport across membranes?

Firstly we need to understand the structure of membranes. Cell membranes are made up of phospholipids. These are molecules with a hydrophilic head (it “likes water”) and hydrophobic tail (which “doesn’t l...

Answered by Felix S. • Biology tutor

4383 Views