Question

(10) system in a nuclear submarine consists of an assembly of welded pipes through ) Thch coolant is circulated. Specifications require that mean weld strength must exceed 150 psi. ) State the null and alternative hypothesis. Ho: Hi: 10and sample (ii) Find the type l error probability size of n 49 ifthe critical region is x>153 Assume ơ

Answer 1

ー)The hull an-|alternenve hypothesis qme) Hı. 시>150 Cmcal region 도>153 The type term probability fs, 15o) 3 x 7 Z. 2 I 1-0-382136 0.01干86't