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 20 27 18 10 Not promoted 45 31 44 34 Send data to Excel Can you conclude that the people in some age groups are more likely to be promoted than those in other age groups? Use Excel and the a - 0.10 level of significance. We (Choose one) V the null hypothesis. There (Choose one) V enough evidence at the a -0.10 level of significance to say that people in some age groups are more likely to be promoted. X