The following table presents the numbers of employees, by age group, who were promoted, or not promoted, in a sample drawn from a certain industry during the past year.     Age   Under  30 30 - 39 40 - 49 50  and Over Promoted 12 30 16 14 Not Promoted 46 38 39 40

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Age discrimination: The following table presents the numbers of employees, by age group, who were promoted, or not promoted, in a sample drawn from a certain industry during the past year.

 

  Age
  Under 
30
30
-
39
40
-
49
50
 and Over
Promoted
12
30
16
14
Not Promoted
46
38
39
40
 

 

Can you conclude that the people in some age groups are more likely to be promoted than those in other age groups? Use the =α0.05 level of significance and the P-value method with the TI-84 Plus calculator.

find p value

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