Edexcel GCSE Mathematics A Higher Paper 2016 Unofficial Markscheme

3b)teacher asks students to do a questionnaire, why might the sample be bad?

A: biased, due to same age range??- not 100%

Can u send me it or something or tell me the topics

Anyone know what grade they think 80/100 will be?

Not A*

What about the question where the answer is W=1.4 or 7/5

yass i got that !!!

This is very hard to visualise from words, any rough drawing for me to go off of?

What was the answer to the standard form question? I think I got 1.75 X 10 to the 10

I'm pretty sure it is 0.76.
It asked for the probability of it not raining and the match not being cancelled.

Not A*

what was the envelope question again and what was the answer

Coordinates were (1, 2.5), (5, 7)

How can the midpoint be totally negative if the two points were positive(on the upper part of the graph??
Surely the midpoint would be somewhere near the coordinates right?
I put the midpoint was ( 3, 4.75)

Small packs (x) have 5 envelopes
Large packs (y) have 20 envelopes
Give a formula for total (T) number of envelopes

T=5x+20y