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Majesty Video Production Inc. wants the mean length of its advertisements to be 31 seconds. Assume the distribution of ad lend. What percent of the sample means will be greater than 30.25 seconds? (Round your z values and final answers to 2 decimal p

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12 31 T=2 , n=19. a The distribution will be normal & Staudald erroo I = 1 / 2 = 0.4988 ~0.46) en PC 3 10 45) - PCZY 31.45-31

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