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Callbrating a scale Making sure that the scales used by businesses in the United States...

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Callbrating a scale Making sure that the scales used by businesses in the United States a responsibility of the National Institute for Standards and Technology NIST in Washington technicians are testing a scale by using a weight known to weigh exactly 1000 grams The s reading is known to be a 2 4 They weigh this weight on the scale 50 times and read the readings have a sample mean of x 999 6 grams The calibration point is set too low if the han 1000 grams The technicians want to perform a hypothesis test to determine whether ow Use the a 0 10 level of significance and the P value method with the TI 84 Plus calcu Part 1 of 5 a State the appropriate null and alternate hypotheses Ho 1000 H 1000 This hypothesis test is a left tailed V test Part 1 5 Part 2 of 5 b Compute the value of the test statistic Round the answer to two decimal places

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