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Mathematics, 13.12.2019 04:31 sugar1014
Anew curing process developed for a certain type of cement results in a mean compressive strength of 5000 kilograms per square centimeter with a standard deviation of 100 kilograms. to test the hypothesis that µ = 5000 against the alternative that µ < 5000, a random sample of 25 pieces of cement is tested. the critical region is defined to be x< 4970. find the probability of committing a type i error when h0 is true.
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