In Class Xi Of A School, 40% Of The Students Study Mathematics And 30% Study Biology. 10% Of The Class Study Both Mathematics And Biology. If A Student Is Selected At Random From The Class, Find The Probability That He Will Be Studying Mathematics Or Biology Doubt Answers

Deepika Mishra

Class 11th

Maths

2 years ago

In Class XI of a school, 40% of the students study Mathematics and 30% study Biology. 10% of the class study both Mathematics and Biology. If a student is selected at random from the class, find the probability that he will be studying Mathematics or Biology

1 Answer