A bag with 750 balls is comprised of 300 red, 200 blue and 250 green. What is the probability of three green balls being in succession, providing the ball is put back between each turn.
1/27 (1/3 x 1/3 x 1/3)
JS
Related Maths GCSE answers
All answers ▸Perimeter of isoceles triangle is 24cm. Sides 'x' = x + 3, side 'y' = x + 2, calculate the area
Bob sprints down a 100 metre track as fast as he can and as he arrives at the finish, a light gate cuts a timer that has been active since Bob began his sprint. It reads 12.45 seconds. calculate Bobs average speed during the sprint.
How do I find the roots of a quadratic equation?
Show that the lines y=3x+7 and 2y-6x=8 are parallel (not using a graphical method).