The standard deviation in the pressure required to open a certain valve is known to be a=0.6 psi. Due to changes in the manufacturing been reduced (a) State the null and alternative hypotheses in words (b) State the null and alternative hypotheses symbolically (c) Explain what it would mean to make a Type I error. (d) Explain what it would mean to make a Type Il error XD (a) State the null hypothesis in words. Choose the correct answer below OA. The standard deviation in the pressure required to open a certain valve is 0.6 psi OB. The standard deviation in the pressure required to open a certain valve is greater than 0.6 psi. OC. The standard deviation in the pressure required to open a certain valve is different from 0.6 psi. O D. The standard deviation in the pressure required to open any valve is 0.6 psi State the alternative hypothesis in words. Choose the correct answer below different from 06 psi 4

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