What proportion is between 150 and 140 centimeters

Reference no: EM1319668

Question: We have established that heights of ten year old boys vary according to a Normal distribution with µ = 138 centimeters and σ = 7 centimeters.

[A] What proportion is less than 140 centimeters in height?
[B] What Proportion is less than 150 centimeters tall?
What proportion is between 150 and 140 centimeters?

Reference no: EM1319668

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