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    Probability Using Normal Distribution of SAT Scores

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    25. The College Board American College Testing Program reported a population mean SAT score of µ 1020 (The World Almanac 2003). Assume that the population standard deviation is 100.

    a. What is the probability that a random sample of 75 students will provide a sample mean SAT score within 10 of the population mean?
    b. What is the probability a random sample of 75 students will provide a sample mean SAT score within 20 of the population mean?

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    See the attached file.

    25. The College Board American College Testing Program reported a population mean SAT score of µ 1020 (The World Almanac 2003). Assume that the population standard deviation is 100.

    a. What is the probability that a random sample of 75 students will provide a sample mean SAT score within 10 of the population mean?

    Mean within 10 of the population mean

    Mean= M = 1020
    Standard deviation =s = 100 ...

    Solution Summary

    Probability calculations have been done using Normal Distribution in the solution.

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