In building materials laboratory, it has been observed that a failure proportion of concrete cubes in the compressive strength test is (0.05) for a particular construction project. Determine the probability that at most (3) samples out of (300) concrete cubes will fail in the test ?using Poisson Distribution

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A: Given: μ = 32 σ2 = 0.015 n = 25 s2 = 0.029 Formula Used: Test-statistic χ2 = (n-1)s22σ2

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Q: Exhibit 9-31 n = 64 x=64.8 a = 24 Refer to Exhibit 9-31. The p-value is equal to .2302 0.0548 .2698…

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