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(10 pts) The time in days to development of a tumor for rats exposed to a...

(10 pts) The time in days to development of a tumor for rats exposed to a carcinogen follows a Weibull distribution with α = 2 and β = 1000. What is the probability a rat will be tumor free at (a) 30 days? (b) 45 days? (c) 60 days?

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