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1 answer:
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The probability density function (pdf) is;
f(x)= for a ≤ x ≤ b.
while the mean is given as
And the standard deviation given as
Answer:
10°, 30°, 50°
Step-by-step explanation:
the exterior angle is x°
adj interior angle is 2x°
interior angle is y2x
so, x+y=180
y=180-x
180-x2x
3x180
x60
{ x is less or equal than 60° }