In a memory best, the test subjects are shown 606 objects and are asked alter two hours to name the objects. The historical records show that test subjecm remember 60% of the objects after two hours. Answer the following. {If necessary, consult a list of formu as.) A A {3) Find the mean of p. where p is the proportion of objects that are remembered by a test subject. x b O A (b) Find the standard deviation of p. D A (c) Compute an approximation for 13(1) 1* 0.62}, which Is the probability that more than 62% of the objects are remembered by a test subject. Round your answer to four decimal places. U For a standardized psychology examination Intended for psychology majors, the histdrlcal data show that scores have a mean or 500 and a standard deviation of 75. The grading process of this year's exam has just begun. The average score or the 35 exams graded so far is 496. What Is the probability that a sample of 35 exams will have a mean score of 496 or more if the exam scores follow the same distribution as in the past? Carry.' your Intermediate computations to at least four decimal places. Round your answer to at least three decimal places. Ewe