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Unformatted text preview: length of each one. You calculate x = 6.053 cm and S = 0.104 cm. To do : We are confident to xx % that the manufacturers claim is true. Give your answer as a percentage to three significant digits. Solution : 18b . Given : A manufacturer claims that a plastic part is at least 6.00 cm long. You test the claim by performing a hypothesis test, with = 6.00 cm as the critical value of your null hypothesis. You pick 30 parts at random from the assembly line, and carefully measure the length of each one. You calculate x = 6.000 cm and S = 0.104 cm. To do : We are confident to xx % that the manufacturers claim is true. Give your answer as a percentage to three significant digits. Solution :...
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 Spring '08
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