Question: The sample mean is x = 11.9%. Let x be a random variable that represents the percentage of wheat crop in that county lost to

The sample mean is x = 11.9%. Let x be a random variable that represents the percentage of wheat crop in that county lost to hail. Assume that x has a normal distribution and = 5.0%. Do these data indicate that the percentage of wheat crop lost to hail in that county is different (either way) from the national mean of 11%? Use = 0.01. Compute the z value of the sample test statistic. (Round your answer to two decimal places.)

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