Two modern languages
Short answerIn a class, 50 % of pupils study German, 30 % Spanish and 20 % study both. What is the probability that a pupil chosen at random studies German or Spanish? Give a decimal number.
In a class, 50 % of pupils study German, 30 % Spanish and 20 % study both. What is the probability that a pupil chosen at random studies German or Spanish? Give a decimal number.