Below is a 6 8 array containing the ages of moviegoers. Treat this as a population.

32	34	33	12	57	13	58	16
23	23	62	65	35	15	17	20
14	11	51	33	31	13	11	58
23	10	63	34	12	15	62	13
40	11	18	62	64	30	42	20
21	56	11	51	38	49	15	21

(a) What was the proportion of all 48 moviegoers who were under age 55? (Round your answer to 2 decimal places.) Proportion