Application of The Normal Distribution - When to add and subtract two areas 

The height of 2540 students is normally distributed with the average height of 165 cm. and standard deviation of 3.2 cm. Find:
Continuation: • Application of The Nor...
4. (0:00) The number of students taller than 160 cm. but shorter than 168 cm.
5. (9:13) The number of students between 156 cm. and 164 cm.
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