7a:s "läxa" torsdag 15.8.2019.
Homework for 9c for Wednesday May 22, 2019.
A bag contains 2 blue balls and 3 green balls.
Pete takes a ball at random from the bag, records its colour and replaces
it.
He does this two more times.
Work
out the probability that, of the three balls Pete takes, exactly two are the
same colour.
(Hint – what is the alternative to
2 being the same colour?)
Deadline: mattetimmen 29.4.2019
9c's homework for Friday, April 12 2019.
Homework for 9c for Thursday, April 11 2019. Video and questions by Sofia.
And here are the questions. Please note: this link will not work after 22 pm Wednesday.
Här finns motsvarande prov i Sverige att öva på:
https://www.matteboken.se/provbank
Det vi hade på lektionen var det nyaste provet som finns där för åk 9, det från 2013. Observera att det finns facit på samma sida!
Homework for 9c for Thursday, March 28 2019
Read this page, answer the quesions at the end!
Be kind to my substitute!