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	22	16	10
Not Promoted	41	49	35	46

Can you conclude that the people in some age groups are more likely to be promoted than those in other age groups? Use the = 0.01 level of significance and the P-valuemethod with the TI-

84

Plus calculator.

A. Do we reject Ho ?

(b) Find the P-value. Round your answer to at least four decimal places.

C. Do we have enough evidence to support the hypothesis?