Question

A national park is famous for its beautiful desert landscape and its many natural rock formations. The following table is based on information gathered by a park ranger of all rock formations of at least 3 feet. The height of the rock formation is rounded to the nearest foot. Height of rock formation, feet 3-9 10-29 30-49 50-74 75 and higher Number of rock formations in park 11489 2 2 25 16 For a rock formation chosen at random from this park, use the preceding information to estimate the probability that the height of the rock formation is as follows. (Round your answers to two decimal places.) (a) 3 to 9 feet (b) 30 feet or taller (c) 3 to 49 feet (d) 10 to 74 feet (e) 75 feet or taller

Answer 1

Jolut fons hat Givep FFE 30-49 50 5thp^ kock nakon deet 3-9 10-09 Hoght 16 89 Aock fmakien tn apask NombeA Total No peats 4+89 aa t ast16: 366 a) 3 to Aeet = 141066 0.428 30 det 3 to 49 eet (u4 +89+0)/066 10 to 74 deet (89+0135)/366- 0.51 le) 75eet talleg d talles - (a +9s + 16)/366 0.036 o.84S d) 16/066 o.060

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