An article claims that 12% of trees are infested by a bark beetle. A random sample of 1,00 trees were tested for traces of the infestation and found that 127 trees were affected. d- Z= pq n Using the formula and data provided, what is the value of the z-test statistic? Answer choices are rounded to the hundredths place. a.) 0.25 b.) 0.68 c.) 0.50 d.) 0.35