Find probability that random sample of students give score


The College Board American College Testing Program reported a population mean Sat score of (funny looking) u-1020. Assume that the population standard deviation is funny looking o with line top right = 100,

a. what is the probability that a random sample of 75 students will provide a sample mean score within 20 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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Basic Statistics: Find probability that random sample of students give score
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