Section 8.1 Distributions of Random Variables

Note: The mean associated with a probability distribution, is the number m such that P(X m) 1 2 and P(X m) 1 2. The mode of a group of numbers is the number in the group that occurs most frequently (or the number with the highest probability). 1. In an examination given to a class of 20 students, the following test scores were obtained. ................
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