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4.23 Nutrition labels: The nutrition label on a bag of potato chips says that a one ounce (28 gram) sewing of potato chips has 130
4.23 Nutrition labels: The nutrition label on a bag of potato chips says that a one ounce (28 gram) sewing of potato chips has 130 calories and contains ten grams of fat, with three grams of saturated fat. A random sample of 35 bags yielded a sample mean of 137 calories with a population standard deviation of 18 calories. Is there evidence that the nutrition label does not provide an accurate measure of calories in the bags of potato chips? We have already verified that the independence, sample size, and skew conditions are satisfied. (Use a =.05 ) USE THE Tl CALCULATOR (Z-TEST) or equivalent for the needed values. a) Write the hypotheses for the test: Ho: u = 130 Ha: p = 134 Ho: 6: 17 Ha: o 137 0H0: u = 130 Ha: [.1 == 130 \\/ d' b) Compute the test statistic: z = (round to two decimal places) c) Compute the p-value for the test: p = (round to four decimal places) d What is the conclusion of the test? Since p
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