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

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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 $= \frac{2}{5} = 0.4$ .

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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

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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 $= \frac{2}{5} = 0.4$ .