Question

in a survey of 400 students 160 liked mathematics and dislike it. find the probability that a student chosen at random likes maths​

Answer 1

Answer:

160/400= 2/5

Step-by-step explanation:

Probably of an event= favorable no. of outcomes/ total no. of outcomes.

P(E)= 160/400

= 4/10

= 2/5 ans..

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Answer 2

The probability that a student chosen at random likes mathematics is 0.4

Given data:

In a survey of 400 students, 160 liked mathematics and the rest disliked it.

To find:

The probability that a student chosen at random likes mathematics

Step-by-step explanation:

Here, total number of students = 400

Number of students who like mathematics = 160

Then the probability that a student chosen at random likes mathematics

= number of students who like mathematics ÷ total number of students

= 160 ÷ 400

= 0.4