Question

240 students reside in a hostel. Out of which 50% go for the yoga classes early in the morning, 25% go for the Gym club and 15% of them go for the morning walk. Rest of the students have joined the laughing club. What is the probability of students who have joined laughing club? Which value is depicted by the students?

Answer 1

Total number of students reside in a hostel= 240
Total number of outcomes= 240

Number of students go for the yoga classes= 50 % of 240 =( 50/100) × 240= 120
Number of students go for the Gym club = 25 % of 240 =( 25/100) × 240= 60
Number of students go for the morning walk= 15 % of 240 =( 15/100) × 240= 36

Number of students joined the laughing club= 240 -(120+60+36)= 240 - 216= 24
Number of favourable outcomes= 24

Probability = Number of favourable outcomes/ Total number of outcomes.

Required probability = P(joined the laughing club)= 24/240= 1/10.
Here, The value depicted by the students is physical fitness.

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Answer 2

Total no of student = 240
No. of student in Yoga class = 120

No. of students in Gym club = 60

No. of student goes for morning walk = 36

Total = 120 + 60 + 36 = 216

No. of student join laughing class = 240 - 216
= 24

Probability = 24/240
= 1/10

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