Question

2. Following table shows the number of students in different categories of weight (in kg):
Weight No. of Students
31-35
6
36-40
8
41-45
12
46-50
6
51-55
5
56-60
3
Find the probability that the weight of a student in the class is
(a)at most 50 kg
(b)at least 41 kg
(c)not more than 45 kg​

Answer 1

Answer:

Probability=Favourable Outcomes/Total no. of outcomes.

a) At most 50 kg-- 32/40=4/5

b) At least 41 kg--14/40=7/20

c) Not more than 45 kg--26/40=13/20