Mathematics, 23.08.2020 02:01 cjdaly123

An article claims that 12% of trees are infested by a bark beetle. A random sample of 1,000 trees were tested for traces of the infestation and found that 127 trees were affected. z = p - p/underroot pq/n
Using the formula and data provided, what is the value of the z-test statistic?

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An article claims that 12% of trees are infested by a bark beetle. A random sample of 1,000 trees we...