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A final exam in Math 160 has a mean of 73 with standard deviation 7.73. Assume that a random sample of 24 students is selected and the test score of the sample is computed. Assuming the scores are normally​ distributed, what percentage of sample means are less than 76​? Round the standard score to the nearest tenth before using the​ z-score tables. Round the final answer to the nearest hundredth of a percent.

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  1. I get .651 or 65.1 percent

    http://onlinestatbook.com/2/calculators/normal_dist.html

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