There are three different questions in a quiz. Each question has three choices of answer. Pupils who are qualified to the final stage have to get at least two answers correctly. X represents the number of questions answered correctly. a) Write X in set notation and complete the table above b) Hence, draw a probability distribution graph. c)Find the probability the qualifies to the final stage

There are three different questions in a quiz. Each question has three choices of answer. Pupils who are qualified to the final stage have to get at least two answers correctly. X represents the number of questions answered correctly. a) Write X in set notation and complete the table above b) Hence, draw a probability distribution graph. c)Find the probability the qualifies to the final stage

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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