Question: solve them all fA new curing process developed for a certain type of cement results in a mean compressive strength of 5000 kilograms per square

solve them all

$solve them all \fA new curing process developed for a certain type$ of cement results in a mean compressive strength of 5000 kilograms per

\fA new curing process developed for a certain type of cement results in a mean compressive strength of 5000 kilograms per square centimeter with a standand deviation of 12d kilograms. To test the hypothesis that pr = sooo against the altemaljve that pr a: 5, a random sample of 50 pieces of cement is tested. The critical region is dened to be it st: 4970. {a} Find the probability of committing a type I error 1llvhen Hi] is true. {h} Evaluate 18 for the altemaijves ,u = 49m and p = 495D

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