Question
Production managers, on an assembly line, must monitor the output to check that they are manufacturing more than an average of 100 parts per production
Production managers, on an assembly line, must monitor the output to check that they are manufacturing more than an average of 100 parts per production run. They continuously inspect a random sample of production runs and find the average number of parts manufactured.The hypotheses are:
Ho: = 100
Ha: > 100
Say a random sample of 36 production runs is taken, where the mean number of parts manufactured is found to be 108 parts with a standard deviation of 5 parts.If testing at the 10% level of significance, what is the critical value?Please give your answer correctly rounded to two decimal place.
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