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50.00 points On a ceraln statistcs exam, mere are 14 muhple choce quastions. Each cuaszon has...
3. [10 Points! Consider an exam with multiple choice questions. Assume that each question has three...
3. [10 Points! Consider an exam with multiple choice questions. Assume that each question has three solution choices but only one of them is correct. A student who didn't study for the exam is going to make a guess. 3. What is the probability that he guesses only 15 questions correctly What is the probability that he guesses at least 15 questions correctly c. What is the probability that he guesses more than 10 and less than 15 questions correctly?...
3. [10 Points) Consider an exam with 28 multiple choice questions. Assume that each question has...
3. [10 Points) Consider an exam with 28 multiple choice questions. Assume that each question has three solution choices but only one of them is correct. A student who didn't study for the exam is going to make a guess. a. What is the probability that he guesses only 15 questions correctly? b. What is the probability that he guesses at least 15 questions correctly? c. What is the probability that he guesses more than 10 and less than 15...
Suppose you are taking an exam that only includes multiple choice questions. Each question has four...
Suppose you are taking an exam that only includes multiple choice questions. Each question has four possible choices and only one of them is correct answer per question. Questions are not related to the material you know, so you guess the answer randomly in the order of questions written and independently. The probability that you will answer at most one correct answer among five questions is ?
please answer part B and C 3. [10 Points) Consider an exam with 28 multiple choice...
please answer part B and C
3. [10 Points) Consider an exam with 28 multiple choice questions. Assume that each question has three solution choices but only one of them is correct. A student who didn't study for the exam is going to make a guess. a. What is the probability that he guesses only 15 questions correctly? b. What is the probability that he guesses at least 15 questions correctly? c. What is the probability that he guesses more...
If you're taking a multiple-choice exam where each question has 5 options (a–e), and you have...
If you're taking a multiple-choice exam where each question has 5 options (a–e), and you have to randomly guess on 4 questions, what is the probability that you get at least 3 of those questions correct?
Consider a multiple choice exam of 20 questions. Suppose each question has four choices and only...
Consider a multiple choice exam of 20 questions. Suppose each question has four choices and only one of them is correct. If a student is going to guess answers, what is the probability that he answers i.) all questions correctly? ii.)more than 10 questions correctly? iii.)more than 5 and less than 10 correctly? iv.) How many Questions do you expect him to answer correctly?
Mary's Final Exam for Psychology has 10 True/False questions and 10 multiple choice questions with 4 choices for each answer. Assuming Mary randomly guesses on every question: **Write answers usi...
Mary's Final Exam for Psychology has 10 True/False questions and 10 multiple choice questions with 4 choices for each answer. Assuming Mary randomly guesses on every question: **Write answers using 3 decimal places* a.) What's the probability that she gets at least 8 of the 10 true/false questions correct? b.) What's the probability that she gets at least 6 of the 10 multiple choice questions correct? c.) If the multiple choice questions had 5 choices for answers instead of 4,...
Question 1 5 pts A multiple choice exam has 85 questions on it (4 choices each...
Question 1 5 pts A multiple choice exam has 85 questions on it (4 choices each question) What is the probability of getting 28 questions right on such an exam? Round your answer to four decimal places Question 2 5 pts A multiple choice exam has 94 questions on it (5 choices each question) What is the probability of getting 19 questions right on such an exam? Round your answer to four decimal places Question 3 5 pts Suppose Bobby...
Question 13 0.2 pts Suppose you are taking a multiple choice exam with 55 questions, each...
Question 13 0.2 pts Suppose you are taking a multiple choice exam with 55 questions, each with 4 possible answers. If you were to guess at random for each question, how many questions would you expect to get right? Your answer does not need to be an integer. Question 14 0.2 pts On average 1.8 babies are born each day at a local hospital. Assuming the Poisson distribution, what is the probability that no babies are born today?
answer for d part A student is taking a multiple-choice exam in which each question has...
answer for d part
A student is taking a multiple-choice exam in which each question has five choices Assuming that she has no knowledge of the correct answers to any of the questions, she has decided on a strategy in which she will place five balls (marked A, B, C, D, and E) into a box. She randomly selects one ball for each question and replaces the ball in the box. The marking on the ball will determine her answer...
3. [10 Points! Consider an exam with multiple choice questions. Assume that each question has three solution choices but only one of them is correct. A student who didn't study for the exam is going to make a guess. 3. What is the probability that he guesses only 15 questions correctly What is the probability that he guesses at least 15 questions correctly c. What is the probability that he guesses more than 10 and less than 15 questions correctly?...
3. [10 Points) Consider an exam with 28 multiple choice questions. Assume that each question has three solution choices but only one of them is correct. A student who didn't study for the exam is going to make a guess. a. What is the probability that he guesses only 15 questions correctly? b. What is the probability that he guesses at least 15 questions correctly? c. What is the probability that he guesses more than 10 and less than 15...
please answer part B and C
3. [10 Points) Consider an exam with 28 multiple choice questions. Assume that each question has three solution choices but only one of them is correct. A student who didn't study for the exam is going to make a guess. a. What is the probability that he guesses only 15 questions correctly? b. What is the probability that he guesses at least 15 questions correctly? c. What is the probability that he guesses more...
Mary's Final Exam for Psychology has 10 True/False questions and 10 multiple choice questions with 4 choices for each answer. Assuming Mary randomly guesses on every question: **Write answers using 3 decimal places* a.) What's the probability that she gets at least 8 of the 10 true/false questions correct? b.) What's the probability that she gets at least 6 of the 10 multiple choice questions correct? c.) If the multiple choice questions had 5 choices for answers instead of 4,...
Question 1 5 pts A multiple choice exam has 85 questions on it (4 choices each question) What is the probability of getting 28 questions right on such an exam? Round your answer to four decimal places Question 2 5 pts A multiple choice exam has 94 questions on it (5 choices each question) What is the probability of getting 19 questions right on such an exam? Round your answer to four decimal places Question 3 5 pts Suppose Bobby...
Question 13 0.2 pts Suppose you are taking a multiple choice exam with 55 questions, each with 4 possible answers. If you were to guess at random for each question, how many questions would you expect to get right? Your answer does not need to be an integer. Question 14 0.2 pts On average 1.8 babies are born each day at a local hospital. Assuming the Poisson distribution, what is the probability that no babies are born today?
answer for d part
A student is taking a multiple-choice exam in which each question has five choices Assuming that she has no knowledge of the correct answers to any of the questions, she has decided on a strategy in which she will place five balls (marked A, B, C, D, and E) into a box. She randomly selects one ball for each question and replaces the ball in the box. The marking on the ball will determine her answer...
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