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Question

The breaking strength X of a concrete slab has a density function


f(x)=

Ae(-x/100)dx


for breaking strength values in the range, 120 ≤ x ≤ 150.

a)     Calculate the value of the constant A.

b)     Plot the distribution in Maple (must show your code and output).

c)     What is the probability that the concrete slab has a breaking strength between 130 and 150?

d)     Find the average breaking strength.

e)     Find the 80th percentile breaking strength.

Top Answer

a)The value of the constant A = 0.12811 b)The plot the distribution in Maple is attached in the... View the full answer

Maple 1_021220.png

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