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(b) Find P (More than 3). P (More than 3) = X S

(b) Find P (More than 3). P (More than 3) = X S

A First Course in Probability (10th Edition)
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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I just need help with part b and it explained

--- **Take a Guess: Multiple-Choice Test Problem** *Description:* A student takes a multiple-choice test that has 11 questions. Each question has five choices. The student guesses randomly at each answer. Let \( X \) be the number of questions answered correctly. *Objective:* Round the answers to four decimal places. --- ### Part 1 of 2 **(a) Find \( P(6) \):** \[ P(6) = 0.0097 \] --- ### Part 2 of 2 **(b) Find \( P(\text{More than 3}) \):** \[ P(\text{More than 3}) = \] \[ \text{[Input Box]} \] --- *Note on Diagrams/Graphs:* There are no diagrams or graphs in this problem. It consists solely of textual information and mathematical calculations. --- *Actions Available:* - **Options to Save or Submit:** "Save For Later," "Submit Assignment" - **Validation Button:** "Check" - **Progress Indicator:** Part 1 / 2 *Additional Features:* - "Skip Part" option - Accessible icons for navigation, saving, and checking progress/chart availability. *Website Branding:* - © 2023 McGraw Hill LLC. All Rights Reserved. - Terms of Use | Privacy Center | Accessibility ---
Transcribed Image Text:--- **Take a Guess: Multiple-Choice Test Problem** *Description:* A student takes a multiple-choice test that has 11 questions. Each question has five choices. The student guesses randomly at each answer. Let \( X \) be the number of questions answered correctly. *Objective:* Round the answers to four decimal places. --- ### Part 1 of 2 **(a) Find \( P(6) \):** \[ P(6) = 0.0097 \] --- ### Part 2 of 2 **(b) Find \( P(\text{More than 3}) \):** \[ P(\text{More than 3}) = \] \[ \text{[Input Box]} \] --- *Note on Diagrams/Graphs:* There are no diagrams or graphs in this problem. It consists solely of textual information and mathematical calculations. --- *Actions Available:* - **Options to Save or Submit:** "Save For Later," "Submit Assignment" - **Validation Button:** "Check" - **Progress Indicator:** Part 1 / 2 *Additional Features:* - "Skip Part" option - Accessible icons for navigation, saving, and checking progress/chart availability. *Website Branding:* - © 2023 McGraw Hill LLC. All Rights Reserved. - Terms of Use | Privacy Center | Accessibility ---
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