Q3: One of the concrete plants produce 4000 pieces per day at a cost (1.5) dollar / piece, mean thickness of the piece is 70 mm & standard deviation is 2 mm. The acceptable production is between (X1= 72.5 mm & X2 = 67.5 mm). Find (Three) of the following?.. 1. The loss of production because the failed production... 2. Amount of production that thickness more than 67.5 mm .... ....

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A: μ=675 and σ=45 z-value for 700=700-μσ=700-67545=0.5556 z-value for 450=450-μσ=450-67545=-5

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Q: Q3: One of the concrete plants produce 4000 pieces per day at a cost (.5) dollar / piece, mean…

A: From the given information we find the solution.

Q: Q3: One of the concrete plants produce 4000 pieces per day at a cost (1.5) dollar / piece, mean…

A: From the given information we find the solution.

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Q: The mean is 146 and the standard deviation is 35. A score of 41 is how many z-scores below the mean?

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