Answered: Manufacturer A B Unacceptable 12…

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter1: Expressions And Functions

Section1.5: Descriptive Modeling And Accuracy

Problem 3BGP

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Four brands of lightbulbs are being considered for use in the final assembly area of the Ford F-150 truck plant in Dearborn, Michigan. The director of purchasing asked for samples of 100 from each manufacturer. The numbers of acceptable and unacceptable bulbs from each manufacturer are shown below. At the .05 significance level, is there a difference in the quality of the bulbs? (Round your answers to 3 decimal places.)

H₀: There is no relationship between quality and manufacturer.

H₁: There is a relationship.

1. Reject H₀ if X² >____

2. X² = ____

(Reject or Do Not Reject) H₀. Ther (is a/is no) relationship between quality and manufacturer.

Manufacturer
A
B
Unacceptable 12
Acceptable
8.
5
11
88 92
95 89
Total
100 100 100 100

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