Consider a class consisting of eight students, who earn the following scores on an exam: 78, 92, 88, 94, 89, 60, 83, 84.

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Consider A Class Consisting Of Eight Students Who Earn The Following Scores On An Exam 78 92 88 94 89 60 83 84 1 (19.47 KiB) Viewed 106 times

Consider A Class Consisting Of Eight Students Who Earn The Following Scores On An Exam 78 92 88 94 89 60 83 84 2 (15.51 KiB) Viewed 106 times

Consider A Class Consisting Of Eight Students Who Earn The Following Scores On An Exam 78 92 88 94 89 60 83 84 3 (14.15 KiB) Viewed 106 times

Consider A Class Consisting Of Eight Students Who Earn The Following Scores On An Exam 78 92 88 94 89 60 83 84 4 (19.04 KiB) Viewed 106 times

Consider a class consisting of eight students, who earn the following scores on an exam: 78, 92, 88, 94, 89, 60, 83, 84. Let X be the exam score of a randomly chosen student. Each student is equally likely to be selected What is the expected value of X? Select one 78 85.5 82.5 83,5 None of these

Let X be a discrete random variable with PMF: X 0 1 2 3 P(x) 0.3 0.25 0.35 0.1 Then E(X) is Select one: 1.75 1.25 None of these 0.25

If sample space S has 12 equally likely outcomes, and A is an event with 4 outcomes, then P(A) is: Select one: None of these 1/3 0.5 12/4 8/12

Suppose you want to buy a new mobile phone, there are three different models (Standard, Plus, Ultra), each model is available in 3 different colors and each model is available in 4 different storage size (64GB, 128GB, 256GB, 512GB). How many options do you have? Select one: 3* (3+4) 3*4*3 3-(4+3) None of these 3+4+3