Probability Using Normal Distribution of SAT Scores
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July 9, 2019Trading strategies involving options
July 9, 201925. The College Board American College Testing Program reported a population meanSAT score of µ 1020 (The World Almanac 2003). Assume that the population standard deviationis 100.
a. What is the probabilitythat a random sampleof 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?
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 …
Probability calculations have been done using Normal Distribution in the solution.
