Please answer all thank you. Consider the probability mass function describe. X 1 2 3 4 5 6 7 8 P(X=x) 0.05 0.09 0.12 ??? 0.25 0.12 0.07 0.06 What is the unknown value. A.)0.21 B.) 0.22 C.) 023 D.) 0.24 Which of the following best describes the expected value of a discrete random variable. A.) weighted average over all possible outcomes B.) arithmetic average of all possible outcomes C.) simple average of all possible outcomes D.) geometric average of all possible outcomes

Please answer all thank you. Consider the probability mass function describe. X 1 2 3 4 5 6 7 8 P(X=x) 0.05 0.09 0.12 ??? 0.25 0.12 0.07 0.06 What is the unknown value. A.)0.21 B.) 0.22 C.) 023 D.) 0.24 Which of the following best describes the expected value of a discrete random variable. A.) weighted average over all possible outcomes B.) arithmetic average of all possible outcomes C.) simple average of all possible outcomes D.) geometric average of all possible outcomes

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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