Question

0.9 pel Due to changes in the manufacturing process, the quality control manage that the pressure has increased The standard deviation in the pressure required to open a certain valve is known to be (a) Determine anul and alternative hypotheses. b) Explain what it would mean to make a Typeletor (c) Explain what would mean to make a Type llor (a) State the hypotheses HMM HO (type integers of decimals. Do not found.) (b) Which of the following is a Type I error? O A. The manager fails to reject the hypothesis that the pressure variability is 0.9, when is the true pressure ar ty OB . The manager rejects the hypothes e procure variability is .. when is the true pressure variability OC. The manager fails to reject the hypothesis that the prere variably 09, when the true pressure variability is greater than 0.9 OD. The manager rects the press that the pressure it is 0.9, when the true por variability is greater than 0.9. (s) Which of the following is a type llor? O A The manager fails to reject the hypothesis that the pressure vanaty 09, when the true pressure variabis greater than 0. OB . The manager rejects the hypothesis that the pressure variability is 0.9. when the true pr e varit is greater than OC . The manager rejects the hypothesis at the pressure wa s 0.8, when it is the true procure variability OD. The manager fails to reject the hypothesis that the pressure variability is .. when it is the true pressure by

Answer 1

Solution:

be p al. Due to changes in the manufacturing process, the quality contain s that the variability has incred The standard deviation in the pressure required lo open a certain valve is (aDut t a mulindalernative hypotheses [bExplain what it would mean to make a Type leter (c) Explain what it would man to make a type r Type I error is the error of rejecting the null hypothesis, when it is true Type II error is the error of accepting the null hypothesis when it is false fal State the hypotheses H.:0=0.9 H,:0 >0.9 (Type integer or decim . Do not found.) (b) Which of the following a Type I error O A The manager med hypothes that the pressure H₂ ability is 0.3 when it is the p re bility OC. The manager store the hypothesis that the pre variability is 09, when the tre e varability than 09 OD. The manager the hypothesis that the pressure Warbit09, when the true produto variability is greater than 0.8. (c) Which of the following is a Typ art A. The manager a p othes that sure variability when the trupore variability grue OB. The r e theypothes that the pressure variability is when you OG The manager rejects the hypothes that the pressure variability is 0.9, when it is the true pre variability O D The manager to reject the hypothesis that the pre v ariability : 0.8, when it is the trump variability