Apoll shows that 60% of students enjoy mathematics. a random sample of 25 students showed that 80% of them enjoy mathematics. a number generator was used to simulate 25 samples from a population in which 60% of students enjoy mathematics. the results are shown in the dot plot. what is the chance of getting a sample proportion of 80% or greater?

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.