Question 7

In a school, only 3 out of 5 students can participate in a competition. What is the probability of the students who do not make it to the competition?

(a) 0.65

(b) 0.4

(c) 0.45

(d) 0.6

Open in App

Solution

Ans:(b)
Given, 3 out of 5 students can participate in a competition, i.e. 2 out of 5 students cannot participate in a competition.
Hence, probability of students who do not make it to competition $= \frac{2}{5} = 0.4$ .

Suggest Corrections

Similar questions

Question 7

In a school, only 3 out of 5 students can participate in a competition. What is the probability of the students who do not make it to the competition?

(a) 0.65

(b) 0.4

(d) 0.6

In a school, only 3 out of 5 students can participate in a competition. What is the probability of the students who do not make it to the competition?

Q. Question 10
In a school, only 2 out of 5 students can participate in a quiz. What is the chance that a student picked at random makes it to the competition?
(a) 20%
(b) 40%
(c) 50%
(d) 30%

Q. The following table shows the percentage of the students of a school who participated in Election and Drawing competitions.

Competition	Election	Drawing	Both
Percentage of Students	$55$	$45$	$20$

Draw a Venn diagram to represent this information and use it to find the percentage of the students who
(i) Participated in Election only
(ii) Participated in Drawing only
(iii) Did not participate in any one of the competitions.

Q. There are 800 students in a school. 40% of the students have participated in a quiz competition. Find the number of students that participated in the competition.

Join BYJU'S Learning Program

Question 7 In a school, only 3 out of 5 students can participate in a competition. What is the probability of the students who do not make it to the competition? (a) 0.65 (b) 0.4 (c) 0.45 (d) 0.6

Ans:(b) Given, 3 out of 5 students can participate in a competition, i.e. 2 out of 5 students cannot participate in a competition. Hence, probability of students who do not make it to competition =25=0.4.

Question 7

In a school, only 3 out of 5 students can participate in a competition. What is the probability of the students who do not make it to the competition?

(a) 0.65

(b) 0.4

(c) 0.45

(d) 0.6

Ans:(b)
Given, 3 out of 5 students can participate in a competition, i.e. 2 out of 5 students cannot participate in a competition.
Hence, probability of students who do not make it to competition $= \frac{2}{5} = 0.4$ .