Why is it not possible to know the exact value of an irrational number?
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Times both sides by 2
2A=rC
divide both sides by r
2A=rC
divide both sides by r
The value of a is 72.74.
<h3>What is Probability ?</h3>Probability is the study of likeliness of an event to happen.
It is given that
The mean of the distribution is 70
Standard deviation is 2
p( x<a) = 0.9147
a = ?
From Z table
For p ( p < 0.9147) , z = 1.37
a = 70+ 2*1.37
a = 72.74
Therefore the value of a is 72.74.
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