A group of 55 pupils were asked if they owned a phone or a tablet.11 people are known to own both18 said they only owned a tablet34 said they owned at least a phoneA student is picked a random, what is the probability that the student doesn’t have a phone
18/55
UH
Related Maths GCSE answers
All answers ▸The size of each interior angle of a regular polygon is 11 times the size of each exterior angle. Work out how many sides the polygon has.
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A box contains 7 caramel doughnuts. They have masses of 56 g, 67 g, 45 g, 56 g, 58 g, 49 g and 50 g. Find the median, mean and mode values of these masses. Bonus: What mass of doughnut could be added to the box to make the mean mass = 61 g.
Why do I have to study maths?