a) Use your graphing calculator to construct and interpret a 95% confidence interval for the mean weight of the potato chips in its 20-ounce bags. Be sure to include a check along with any needed graph sketches.

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1. Bags of potato chips are pulled at random from production to check weight in its 20-ounce bags of chips. The data
below are the results of a sample of 14 bags.
19.4
20.2
19.1
18.1
19.8
19.5
19.0
20.2
18.9
19.0 20.4
17.8
19.3
18.5
a) Use your graphing calculator to construct and interpret a 95% confidence interval for the mean weight of the
potato chips in its 20-ounce bags. Be sure to include a check along with any needed graph sketches.
b) Is there a problem with production? Explain, in context, using the interval from part a.
Transcribed Image Text:1. Bags of potato chips are pulled at random from production to check weight in its 20-ounce bags of chips. The data below are the results of a sample of 14 bags. 19.4 20.2 19.1 18.1 19.8 19.5 19.0 20.2 18.9 19.0 20.4 17.8 19.3 18.5 a) Use your graphing calculator to construct and interpret a 95% confidence interval for the mean weight of the potato chips in its 20-ounce bags. Be sure to include a check along with any needed graph sketches. b) Is there a problem with production? Explain, in context, using the interval from part a.
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