Respond to this Question
Similar Questions

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 
STAT
A student takes a tenquestion truefalse 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 20, 2015 
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 
math
Lee forgot to study for her geography quiz, but she was not too worried because the quiz had only five truefalse 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 
Statistic
There are two independent multiplechoice 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 
statistic and probability
There are two independent multiplechoice 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 
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 25, 2016 
math
Ture or false questions: Your teacher gives a truefalse 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 
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 
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 truefalse and the other is multiple
asked by Jen N. on April 21, 2016