Use the following information to answer each part of this question. For each part of this question, show a suitable number of middle steps using the formula for binomial distribution. Problem: You write a 20-mark multiple-choice quiz with 5 possible answers for each question (A, B, C, D, or E) by guessing at each answer. (a)Determine the probability of getting exactly 15 answers correct. (b) Determine the probability of getting at least 18 answers correct.

Use the following information to answer each part of this question. For each part of this question, show a suitable number of middle steps using the formula for binomial distribution. Problem: You write a 20-mark multiple-choice quiz with 5 possible answers for each question (A, B, C, D, or E) by guessing at each answer. (a)Determine the probability of getting exactly 15 answers correct. (b) Determine the probability of getting at least 18 answers 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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2. Use the following information to answer each part of this question. For each part of this question, show a suitable number of middle steps using the formula for binomial distribution. Problem: You write a 20-mark multiple-choice quiz with 5 possible answers for each question (A, B, C, D, or E) by guessing at each answer. (a)Determine the probability of getting exactly 15 answers correct. (b) Determine the probability of getting at least 18 answers correct.

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Question 1: Part A to D