Math

There are six true-false questions on a quiz. Not knowing any of the answers, a student guesses randomly. Find the probability of each event. Exactly two answers are correct. Exactly six answers are correct. At least five are correct. At least three answers are correct.

  1. 0
  2. 0
  3. 16
asked by Jen

Respond to this Question

First Name

Your Response

Similar Questions

  1. Math

    A student randomly guesses the answers to a four question true or false quiz. Find the probability that the student answers F on at least 2 of the questions

    asked by Cheis on December 5, 2016
  2. STAT

    A student takes a ten-question true-false quiz, but did not study and randomly guesses each answer. Find the probability that the student passes the quiz with a grade of at least 70% of the questions correct

    asked by Cathy on February 21, 2015
  3. statistics

    a quiz consists of 30 true or false questions. if the student guesses on each question, what is the standard deviation of the number of correct answers

    asked by mike on April 29, 2013
  4. math

    Lee forgot to study for her geography quiz, but she was not too worried because the quiz had only five true-false questions.Suppose she guessed all of the answers.What are the chances that she passed with four or five correct

    asked by hamid on January 8, 2013
  5. Statistic

    There are two independent multiple-choice quizzes where quiz 1 has eight questions and quiz 2 has 15 questions. Each question in the first quiz has four choices and each question in the second quiz has five choices. Suppose a

    asked by Zul on January 2, 2015
  6. statistic and probability

    There are two independent multiple-choice quizzes where quiz 1 has eight questions and quiz 2 has 15 questions. Each question in the first quiz has four choices and each question in the second quiz has five choices. Suppose a

    asked by Anonymous on January 10, 2015
  7. Math

    A quiz contains three True/False questions. If a student attempts to answer the questions by guessing, what is the probability that the student will answer all three questions correctly ?

    asked by Lauren on April 26, 2016
  8. math

    Ture or false questions: Your teacher gives a true-false pop quiz with 10 questions. Show that the number of possible outcomes for the sample space of possible sequences of 10 answers is 1024. I got false and the number is 182 but

    asked by mary on October 9, 2011
  9. math

    A student takes a multiple choice quiz with 12 questions and 5 alternatives per question. Unfortunately, this student has no idea what any of the answers are, so he randomly selects an alternative for each question on the exam.

    asked by jordan on September 24, 2015
  10. Stat HW for.

    1. A student taking a midterm exam in Ancient History comes to two questions pertaining to a lecture that he missed, and so he decides to take a random guess on both questions. One question is true-false and the other is multiple

    asked by Jen N. on April 21, 2016

More Similar Questions