Question

27 questions tell me

Answer 1

a) Total number of teachers = 30

Number of teachers between 29-35 years = 5 + 4 + 3 = 12
Probability = 12/30 = 2/5

b) Atleast 31 means the teachers' age is 31 or more than 31

Number of teachers having age more than 31 years = 4 + 3 = 7
Probability = 7/30

c) Teachers having age less than 23 years = 3
Probability = 3/30 = 1/10

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