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Following are the ages (in years) of 360 patients, getting medical treatment in a hospital: Age (in years) 10 – 20 20 – 30 30 – 40 40 – 50 50 – 60 60 – 70 Number of patients 90 50 60 80 50 30 One of the patients is selected at random.What is the probability that his age is(i) 30 years or more but less than 40 years?(ii) 50 years or more but less than 70 years?(iii) 10 years or more but less than 40 years?(iv) 10 years or more?(v) less than 10 years? |
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Answer» Following are the ages (in years) of 360 patients, getting medical treatment in a hospital:
One of the patients is selected at random. What is the probability that his age is (i) 30 years or more but less than 40 years? (ii) 50 years or more but less than 70 years? (iii) 10 years or more but less than 40 years? (iv) 10 years or more? (v) less than 10 years? |
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