Could someone show me how to do 2? Thank you! Assignment Scoring Your last submi

Question

Could someone show me how to do 2? Thank you!

Assignment Scoring Your last submission is used for your score. s JKEStat115 E 063 of the parts produced by a particular machine, 0.8% are defective, if a random sample of 12 parts produced by this machine contain 2 or more defective parts, the ma ines shut down for repairs. Find the probability that the machine will be shut down for repairs based on this s. Find the probability that the machine will be shut down for repairs based on this sampling plan. (Give your answer correct to five decimal places.) 004 My Notes Ask Your T 2. 10 points JKEStat 11 8.E.111 of 52 resulted in a cale ulated pr value of D045 ir-4, ind he·lue of the The null hypothesis, H: 16.1, was tested against the alternative hypothesis, Ha:

Explanation / Answer

here as it is one tailed test; for p =0.045 ; z score =-1.6954

from test stat z=(X-mean)/std error

std error of mean =(X-mean)/z =(14-16.1)/1.6954=1.2386

therefore populaton std deviation =std error *(n)1/2 =1.2386*(52)1/2 =8.93

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