From the following table find the correlation between age and playing habit: Age No. of Students Regular Players 15-16 200 150 16-17 270 162 17-18 340 170 18-19 360 180 19-20 400 180 20-21 200 120

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Q: Example 9-4. X is a normal variate with mean 30 and S.D. 5. Find the probabilities (i) 26 5.

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