A rectangle is drawn so that the width is 3 feet shorter than the length. The area of the rectangle is 54 square feet. Find the
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Solution :
Alpha, α = 0.01
The sample proportion is :
= 0.636
Test statistics,
z = 7.727
The p value = 0.00001
Here we observe that p value is less than α, and so we reject the hypothesis .
Therefore, there is sufficient evidence,