Answered: how many ways can the student get less…

how many ways can the student get less than half of the marks allotted to the question assuming the student selects atleast one option?

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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Concept explainers

Counting Principles

In statistics, the counting principle can be said to be the concept in which the quantity of an item is determined. There can be a single item, or a group of items, or items that are related to each other. In every possible set of items, the quantity of the possible item groups or their sorting measures can be determined with counting principles.

Question

In an engineering entrance examination, there are only Multiple select questions (more than one option is correct). If a student selects any of the correct options, she will be awarded partial marks in proportion to the number of correct options she selects. If she chooses any of the wrong options, she will get zero marks for the entire question. In a particular question, there are four options of which the first three options are correct. In how many ways can the student get less than half of the marks allotted to the question assuming the student selects atleast one option?

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