Question

60 student in a class are divided into 4 House namely ,Emerald , Sapphire,Ruby and Diamond.If 1 student is selected at random what is probability that the students is from emerald?​

Answer 1

Answer: 1/ 4 or 0.75

Step-by-step explanation:

Total no. of students = 60

Students in house 'emerald' = 15

(This is because, all the 60 students would have been divided equally in all houses. So, all houses contain 15 students each)

Hence,

P(E) = favourable outcomes / total

outcomes

》 15 /60

》 1 / 4

Hope it helps :)

Answer 2

Answer:

there is 60 student in class

60 student will divided into 4 = 15

x(S)=1

p(x)=1/15