Use the p value to draw a conclusion

Reference no: EM131432492

Manufacturing and Product Development

Arizona state procurement specifications for instant-dry highway paint indicate that the paint must dry in less than 60 seconds. A random sample of paint was obtained from a potential seller, and the drying time of each batch was carefully tested. Assume σ = 8.0 and use a = 0.05.

a. Is there any evidence to suggest the mean drying time for this highway paint is less than 60 seconds? Use the p value to draw a conclusion.

b. Using the results from part (a), do you believe there is overwhelming evidence to suggest the paint dries in less than 60 seconds? Why or why not?

c. Carefully sketch a graph to illustrate the p value in this hypothesis test.

Reference no: EM131432492

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