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In a memory test, the test subjects are given a large number and are asked to memorize it. Historical records show that 60% of test
In a memory test, the test subjects are given a large number and are asked to memorize it. Historical records show that 60% of test subjects pass the test. To pass the test, a subject must exactly repeat all the digiis in the number after two hours. A A random sample of 600 people to take the memory test is going to be chosen. Let p be the proportion of people in the sample who pass the test. Answer the following. (If necessary, consult a list of formulas.) A (a) Find the mean ofp. X 3 Q A (b) Find the standard deviation ofp. I] A (c) Compute an approximation for P(p
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