Question 3 (5 points) A manufacturer must test that his bolts are 2 cm long when they come off the assembly line. He must recalibrate his machines if the length is significantly different than 2 cm. After sampling 100 randomly selected bolts off the assembly line, he calculates the sample mean to be 1.9 cm. He knows that the population standard deviation is 0.50 cm. Assume a .05 level of significance. Perform a hypothesis test on if the length of the screws differ significantly. What is the p-value? .0455 .0001 .4271 .0582
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internupion b. internution c. .0455 d. ,0001 e. 4271 f. 0582 Now, let's analyze each option: a. internupion - This option seems to be a misspelling of "interruption" and does not seem to be a valid answer. Show more…
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