The types of raw materials used to construct stone tools found at an archaeological site are shown below. A random sample of 1486 stone tools were obtained from a current excavation site. Regional Percent of Stone Tools 61.3% 10.6% 11.4% 13.1% Observed Number of Tools as Current excavation Site Raw Material 160 173 196 53 Use a 1% level of significance to test the claim that the regional distribution of raw materials fits the distribution at the current excavation site. Basalt Obsidian Welded Tuff Pedernal chert Other 904 3.6% (a) What is the level of significance?

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