Question

To know the opinion of the students about the subiect Statistics, a survey of 400 students was conducted.
The data is recorded in the following table :
Opinion
Number of Students
Likes
220-
Unlikes
180
Find the probability that a student chosen at random
0 like Statistics
(i) unlikes Statistics
(m) Like mathematics.​

Answer 1

Answer:

1. probability = no. of favourable outcomes/ total number of outcomes

Hence,

favourable outcomes = 220

total outcomes = 400

P(E) = 220/400 = 11/20

2.

fav. outcomes = 180

total = 400

P(E) = 180/400 = 9/20

thankyou.