Math

A true-false test has 5 questions. What is the probability of guessing the correct answers to all of the questions?

A. 1/25****
B. 1/10
C. 1/32
D. 1/7

  1. 👍
  2. 👎
  3. 👁
  4. ℹ️
  5. 🚩
  1. Prob(Right) = 1/2

    In 5 problems you want RRRRR
    prob(RRRRR) = (1/2)^5 = 1/32

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
    👤
    Reiny
  2. 2*2*2*2=2^5..... By multiplying 2 Five times and and the root number 5... the probability of answering ll of them correct is 1/23.

    : )

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
  3. The probability of guessing correctly on all of five true-false questions is 1/5. True or False

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
  4. I’m not sure

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
  5. I'm done taking the test and the right answer was actually 1/32..
    Good luck:)

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
  6. whats the answers
    for unit 4 lesson 7 18 questions probability unit test please i need them
    8th grade

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩

Respond to this Question

First Name

Your Response

Similar Questions

  1. Math, HELP ME!

    What is the experimental probability of the spinner landing on red? a. 1/2 b. 1/3 c. 1/4 *** What is the experimental probability of the spinner landing on blue? a. 2/7 b. 1/4 *** c. 2/9 There’s a spinner with 8 sections in

  2. Math (Probability)

    Each of two urns contains green balls and red balls. Urn I contains 8 green balls and 12 red balls. Urn II contains 5 green balls and 8 red balls. If a ball is drawn from each urn, what is P(red and red)? A. 79/65 B. 24/65 C.

  3. Math (check answer plz)

    13. A true-false test has 12 questions. What is the probability of guessing the correct answers to all of the questions? (1 point) A: 1 over 4096*******? B: 1 over 144 C: 1 over 24 D: 1 over 14

  4. Math

    13. A true or false test has 8 questions. What is the probability of guessing the correct answers to all the questions? A. 1/10 B. 1/16 C. 1/64 D. 1/256

  1. Statistics Algebra 2

    A 10-question multiple choice test has 4 possible answers for each question. A student guesses on all ten answer. a)What is the probability that the student selects at least 6 correct answers? b)Is getting exactly 10 questions

  2. statistic

    Quiz has 6 questions. Each question has five possible answers, only one of each 5 answers is correct. If student randomly guesses on all six questions, what is the probability to answer 2 questions right? Tip: first, you have to

  3. English

    1.) Anyone can publish information on the Internet without fact-checking it. A.) True************************ B.) False 2.) Public records are most likely to contain valid information than secondhand reports. A.)

  4. 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

  1. Personal Fitness Lesson 1 Unit 10 answers

    Lesson 1 Unit 10: Personal Fitness Final Exam answers :🌹 (please check all your answers cause tests get changed around a lot) 🌹 1. True 2. Flexibility 3. True 4. Reality 5. Inspiration 6. Body Composition 7. Aerobically 8.

  2. Statistics

    There are 3 short questions on math test. for each question, 1 mark will be awarded for a correct answer and no mark for wrong answer. if the probability that mary correctly answers a question in a test is 2/3, determine the

  3. probability

    What is the probability of getting 80% or more of the questions correct on a 10-question true-false exam merely by guessing? probability - Damon, Wednesday, March 6, 2013 at 2:53am Binomial distribution with p = .5 p(10 right) =

  4. Statistics

    A 10 question test is all multiple choice. Each question has four choices. Determine the mean number of questions answered correctly as well as the standard deviation for the number of correct answers if someone were to guess on

View more similar questions or ask a new question.