Age discrimination: The following table presents the numbers of employees, by age group, who were promoted, or notpromoted, in a sample drawn from a certain industry during the past year.AgeUnder 3030-3940-4950 and OverPromoted11312521Not Promoted44313940Send data to ExcelCan you conclude that the people in some age groups are more likely to be promoted than those in other age groups? Use thea=0.05 level of significance and the P-value method with the TI-84 Plus calculator.Part 1 of 4(a) State the null and alternate hypotheses.Ho: The people in all age groups are▼ equally likely to be promoted.H: The people in all age groups are not▼ equally likely to be promoted.Part: 1/4Part 2 of 4(b) Find the P-value. Round your answer toleast four decimal places.

Name: Age discrimination: The following table presents the numbers of emplo
Uploaded: 2024-03-20T07:07:12.000Z
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Description: Age discrimination: The following table presents the numbers of employees, by age group, who were promoted, or notpromoted, in a sample drawn from a certain industry during the past year.AgeUnder 3030-3940-4950 and OverPromoted11312521Not Promoted44

In this context, it is appropriate to use Chi-square test of independence. Procedure to obtain chi-square test of independence using graphing calculator: Press 2nd and the press x-1, press Edit and select enter. Enter number of rows and columns as “2×4”. Enter the appropriate value corresponding to each columns and rows. Press STAT>TESTS> χ2-test. Select “Calculate”. Output obtained using TI-84 Calculator:From the output obtained using TI-84 graphing calculator, the P-value is 0.0087.