b) The table below shows the color and the model of cars purchased by 160 randomly selected customers at a car dealership in 2020. (THE QUESTION POSTED EARLIER DID NOT INCLUDE ALL THE DETAILS, BELOW IS THE CORRECT QUESTION) Model Colour Toyota Hyundai Red 17 19 White 25 35 Black 35 29 Use a 5 percent level of significance to test the null hypothesis that color chosen and car model are independent. i. State the null and alternative hypotheses for this test ii. Calculate: a. the expected frequency for red vehicle and the Toyota model b. the chis-square contribution, x2,for red vehicle and the Toyota model

b) The table below shows the color and the model of cars purchased by 160 randomly selected customers at a car dealership in 2020. (THE QUESTION POSTED EARLIER DID NOT INCLUDE ALL THE DETAILS, BELOW IS THE CORRECT QUESTION) Model Colour Toyota Hyundai Red 17 19 White 25 35 Black 35 29 Use a 5 percent level of significance to test the null hypothesis that color chosen and car model are independent. i. State the null and alternative hypotheses for this test ii. Calculate: a. the expected frequency for red vehicle and the Toyota model b. the chis-square contribution, x2,for red vehicle and the Toyota model

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter8: Sequences, Series, And Probability

Section8.CT: Chapter Test

Problem 24CT: Show the sample space of the experiment: toss a fair coin three times.

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