What type of distribution should be used? Oz Ot Other If Mr. Gomez wants to be 95% confident, what z/t value should he use? Round to three (3) decimal places.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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Mr. Gomez is a quality control officer in a candy company. One of his responsibilities
is ensuring that candy bars follow the standard weight. The average weight of candy
bars should deviate no more than 20 grams from the printed weight of 350 grams. Mr.
Gomez gets a sample of 40 bars from each packing machine everyday and weighs
them. Today's sample from Machine A yielded a mean of 338 grams and a standard
deviation of 10 grams. Is there evidence that Machine A performs within standards for
today?
What type of distribution should be used?
Oz
Ot
O Other
If Mr. Gomez wants to be 95% confident, what z/t value should he use? Round to
three (3) decimal places.
Transcribed Image Text:Mr. Gomez is a quality control officer in a candy company. One of his responsibilities is ensuring that candy bars follow the standard weight. The average weight of candy bars should deviate no more than 20 grams from the printed weight of 350 grams. Mr. Gomez gets a sample of 40 bars from each packing machine everyday and weighs them. Today's sample from Machine A yielded a mean of 338 grams and a standard deviation of 10 grams. Is there evidence that Machine A performs within standards for today? What type of distribution should be used? Oz Ot O Other If Mr. Gomez wants to be 95% confident, what z/t value should he use? Round to three (3) decimal places.
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