A true-false quiz has 12 questions. A student guesses all the answers. Find the probability of the following outcomes. (For each answer, enter a number. Round your answers to four decimal places.) (a) getting 6 correct (b) getting at least 6 correct (c) getting no more than two correct

A true-false quiz has 12 questions. A student guesses all the answers. Find the probability of the following outcomes. (For each answer, enter a number. Round your answers to four decimal places.) (a) getting 6 correct (b) getting at least 6 correct (c) getting no more than two correct

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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(a)

getting 6 correct

(b)

getting at least 6 correct

(c)

getting no more than two correct

Expert Solution

Step 1

Given that n =12 . p = 1/2

Find

(a)

getting 6 correct

(b)

getting at least 6 correct

(c)

getting no more than two correct

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