probability

a multiple choice test consists of 8 questions, each with 4 possible answers but only one of which is correct.what is the probability that an unprepared student will, by chance, get,
a. all correct answers,
b. exactly 5 correct answers,
c. at most 4 correct answers,
d. at most 6 incorrect answers

  1. 👍
  2. 👎
  3. 👁
  1. please tell me answer for this question I have a tomorrow

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. please math help

    A test has twenty questions worth 100 points. The test consists of True/ False questions worth 3 points each and multiple choice questions worth 11 points each. How many multiple choice questions are on the test?

  2. Math

    A physics exam consists of 9 multiple-choice questions and 6 open-ended problems in which all work must be shown. If an examinee must answer 5 of the multiple-choice questions and 2 of the open-ended problems, in how many ways can

  3. Algebra

    A test has 15 questions worth 100 points in total. The test consists of multiple choice questions, which are 4 points each, and open-response questions, which are worth 12 points each. How many multiple choice questions are on the

  4. math

    a multiple choice test has 8 questions with 4 possible answers for each question. if a student were to guess the answer to each question how many different ways would there be to answer the test A. 32 B. 4 C. 65 536 D. 4 096

  1. Math

    Multiple Choice Choose the best answer. For questions 1–3, rewrite the expression using exponents. 4 × 4 × 4 × 4 × 4 A. 54 B. (My choice) 45 C. 44 ====== 3 × 3 × 3 × 3 A. (My choice) 34 B. 43 C. 35 ===== 10 × 10 × 10 A.

  2. Probability/Statistics

    A quiz consists of 10 multiple-choice questions, each with 4 possible answers. For someone who makes random guesses for all of the answers, find the probability of passing if the minimum passing grade is 70 %. I'm not sure what to

  3. statistics

    A multiple choice test has 3 questions and each question has 3 choices. If Nacho takes this test, what is the probability that he will: (a)answer all questions correctly? (b)answer all questions wrong? (c)answer two questions

  4. Statistic

    test consists of 10 multiple choice questions with five choices for each question. As an experiment, you GUESS on each and every answer without even reading the questions. What is the probability of getting exactly 7 questions

  1. MATH Prob.

    Find the probability of correctly answering the first 4 questions on a multiple choice test if random guesses are made and each question has 3 possible answers. A) 4/3 B) 1/81 C)1/64 D)3/4 I automatically think D.

  2. Maths

    A college entry exam has 38 questions worth 200 points. The test consists of multiple-choice questions, 𝑥 x , worth 4 points each and essay questions, 𝑦 y , worth 10 points each. is it 4𝑥+10𝑥=2004𝑦+10𝑦=38

  3. statistics

    A multiple choice test has 20 questions with each having 4 possible answers with one correct. Assume a student randomly guesses the answer to every question. 1) What is the probability of getting exactly 9 correct answers? 2)What

  4. Math (Algebra)

    Gretchen and Ezia received equal scores on a test made up of multiple choice questions and an essay. Gretchen got 18 multiple choice questions correct and received 19 points for her essay. Ezia got 15 multiple choice questions

You can view more similar questions or ask a new question.