Statistics

An unprepared student is about to take his first test of the semester. He is told that his test will be composed of 20 multiple choice questions, each with 4 possible answers, only one of which is correct.

a.What is the probability that the unprepared student randomly guesses at the correct response on ONE of the questions and gets the question correct?

  1. 0
  2. 0
  3. 41
asked by Sam
  1. If you are only considering one question, 1/4.

    1. 0
    2. 0
    posted by PsyDAG

Respond to this Question

First Name

Your Response

Similar Questions

  1. Stats

    At a certain university, the average cost of books was $370 per student last semester and the population standard deviation was $80. This semester a sample of 45 students revealed an average cost of books of $390 per student. The

    asked by EEL on May 7, 2015
  2. statistics

    At the beginning of the semester, students who registered for a statistics course were randomly assigned to two sections, each taught by a different instructor. At the end of the semester, we would like to test whether there are

    asked by April on May 2, 2014
  3. programming

    Write an algorithm to compute average score for each student in the Computer Science Continuous assessment test. Assume each student sat for ten courses for the semester

    asked by Anonymous on March 10, 2014
  4. Programming C++ using Data Structure.

    In an academic institution, Student has its records. Each student has his/her profile such as id number, student name. The institution also keeps records of student grades in each subject. Student grades contains information

    asked by Vonn on March 17, 2016
  5. Information Technology

    Develop an algorithm, flow chart and pseudocode that accept as input three unit test scores and a project score for seven students. The algorithm, flow chart and pseudocode should accept seven examination scores. The students's

    asked by Sophia on October 24, 2012
  6. MATH 104

    Last semester, a certain professor gave 24 As out of 244 grades. If one of the professor's students from last semester were selected randomly, what is the probability that student received an A? (Assume that each student receives

    asked by Anonymous on March 16, 2014
  7. statistics

    Last semester, a certain professor gave 23 As out of 279 grades. If one of the professor's students from last semester were selected randomly, what is the probability that student received an A? (Assume that each student receives

    asked by TASHA on March 11, 2013
  8. algebra

    Last semester, a certain professor gave 11 As out of 226 grades. If one of the professor's students from last semester were selected randomly, what is the probability that student received an A? (Assume that each student receives

    asked by Anonymous on March 9, 2013
  9. Probability

    Last semester, a certain professor gave 33 As out of 211 grades. If one of the professor's students from last semester were selected randomly, what is the probability that student received an A? (Assume that each student receives

    asked by Anonymous on August 28, 2013
  10. Probablity

    Last semester, a certain professor gave 43 As out of 242 grades. If one of the professor's students from last semester were selected randomly, what is the probability that student received an A? (Assume that each student receives

    asked by Patty on August 26, 2013

More Similar Questions