4) The score of a student on a certain exam is represented by a number between 0 and 1. Suppose that the student passes the exam if this number is at least 0.55. Suppose we model this experiment by a continuous random variable S, the score, whose probability density function is given by: 4x for 0s xs; f(x)=. |4-4x for글xs1 otherwise 1) What is the probability that the student fails the exam? 2) What is the score that he will obtain with a 50% chance, in other words, what

4) The score of a student on a certain exam is represented by a number between 0 and 1. Suppose that the student passes the exam if this number is at least 0.55. Suppose we model this experiment by a continuous random variable S, the score, whose probability density function is given by: 4x for 0s xs; f(x)=. |4-4x for글xs1 otherwise 1) What is the probability that the student fails the exam? 2) What is the score that he will obtain with a 50% chance, in other words, what

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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