Question

. A multiple choice test consists of 8 questions and 3 answers to each question, of which one is correct. If a student answers each question by rolling a balanced die and checking the first answer if he gets 1 or 2, the second answer if he gets 3 or 4, and the third answer if he gets 5 or 6, find the probability of getting (i) exactly 3 correct answers (ii) no correct answer (iii) atleast 6 correct answers.

Name: a multiple choice test consists of 8 questions and 3 answers to each question of which one is correct if a student answers each question by rolling a balanced die and checking the first answ 53588
Uploaded: 2021-10-19T06:44:15-08:00
Duration: 5 min 45 s
Channel: Arjun Singh
Description: a multiple choice test consists of 8 questions and 3 answers to each question of which one is correct if a student answers each question by rolling a balanced die and checking the first answ 53588

          . A multiple choice test consists of 8 questions and 3 answers
to each question, of which one is correct. If a student answers
each question by rolling a balanced die and checking the first
answer if he gets 1 or 2, the second answer if he gets 3 or 4, and
the third answer if he gets 5 or 6, find the probability of getting
(i) exactly 3 correct answers (ii) no correct answer (iii) atleast
6 correct answers.

Added by Paul F.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Arjun Singh

10/19/2021

Step 1

- Each question has 3 possible answers, and only one is correct. - The student uses a die to choose an answer, with each answer having an equal probability of being chosen. - The probability of choosing the correct answer for each question is \( \frac{1}{3} \). Show more…

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. A multiple choice test consists of 8 questions and 3 answers to each question, of which one is correct. If a student answers each question by rolling a balanced die and checking the first answer if he gets 1 or 2, the second answer if he gets 3 or 4, and the third answer if he gets 5 or 6, find the probability of getting (i) exactly 3 correct answers (ii) no correct answer (iii) atleast 6 correct answers.