In a memory test, the test subjects are shown 300 objects and are asked after two hours to name the objects. The historical records show that test subjects remember 75% of the objects after two hours....

In a memory test, the test subjects are shown 300 objects and are asked after two hours to name the objects. The historical<br>records show that test subjects remember 75% of the objects after two hours.<br>Answer the following. (If necessary, consult a list of formulas.)<br>(a) Find the mean of p, where p is the proportion of objects that are remembered by a test<br>subject.<br>Aa<br>(b) Find the standard deviation of p.<br>(c) Compute an approximation for P(p<0.78), which is the probability that fewer than<br>78% of the objects are remembered by a test subject. Round your answer to four<br>decimal places.<br>

Extracted text: In a memory test, the test subjects are shown 300 objects and are asked after two hours to name the objects. The historical records show that test subjects remember 75% of the objects after two hours. Answer the following. (If necessary, consult a list of formulas.) (a) Find the mean of p, where p is the proportion of objects that are remembered by a test subject. Aa (b) Find the standard deviation of p. (c) Compute an approximation for P(p<0.78), which="" is="" the="" probability="" that="" fewer="" than="" 78%="" of="" the="" objects="" are="" remembered="" by="" a="" test="" subject.="" round="" your="" answer="" to="" four="" decimal="">

Jun 08, 2022

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In a memory test, the test subjects are shown 300 objects and are asked after two hours to name the objects. The historical records show that test subjects remember 75% of the objects after two hours....

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