T 50. More Doritos We saw in Chapter 14, Exercise 56 that some students checked 6 bags of Doritos marked with a net weight of 28.3 grams. They carefully weighed the contents of each bag, recording the following weights (in grams): 29.2, 28.5, 28.7, 28.9, 29.1, 29.5. a) Do these data satisfy the assumptions for inference? Explain. b) Find the mean and standard deviation of the weights. c) Test the hypothesis that the net weight is as claimed.

T 50. More Doritos We saw in Chapter 14, Exercise 56 that some students checked 6 bags of Doritos marked with a net weight of 28.3 grams. They carefully weighed the contents of each bag, recording the following weights (in grams): 29.2, 28.5, 28.7, 28.9, 29.1, 29.5. a) Do these data satisfy the assumptions for inference? Explain. b) Find the mean and standard deviation of the weights. c) Test the hypothesis that the net weight is as claimed.

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A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Doritos Some students checked 6 bags of Doritosmarked with a net weight of 28.3 grams. They carefully weighed the contents of each bag, recording the follow-ing weights (in grams): 29.2, 28.5, 28.7, 28.9, 29.1, 29.5. a) Do these data satisfy the assumptions for inference?Explain.b) Find the mean and standard deviation of the weights.c) Create a 95% confidence interval for the mean weightof such bags of chips.d) Explain in context what your interval means.e) Comment on the company’s stated net weight of28.3 grams.
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