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General Medicine General 72bc6771

Systolic BP of a group of 200 people follows normal distribution. Mean BP is 120 mm Hg and standard detion 10. Which of the following is true-

A
68% of people have BP between 110-130 mm Hg
B
95% of people have BP between 110-130 mm Hg
C
68% of people have BP between 100-140 mm Hg
D
99% of people have BP between 100-140 mm Hg

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