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Consider a paint-drying situation in which drying time for a test specimen is normally distributed with...

Consider a paint-drying situation in which drying time for a test specimen is normally distributed with σ = 8. The hypotheses H0: μ = 75 and Ha: μ < 75 are to be tested using a random sample of n = 25 observations.

(c) For the test procedure with α = 0.004, what is β(70)? (Round your answer to four decimal places.)

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