Statistical concept 689599.7
posted by Surpreet Pororsha .
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 choice with four possible answers. What is the probability of guessing?
a. the correct answer to the true/false question? – 1 out of 2 chances – 0.5 or 50%
b. the correct answer to the multiple choice question?
c. the correct answers to both the true/false question and the multiple choice question?
d. the incorrect answers to both the true/false question and the multiple choice question?
e. the correct answer to the true/false question and an incorrect answer to the multiple choice question?
f. the incorrect answer to the true/false question and the correct answer to the multiple choice question?

Statistical concept 689599.7 
PsyDAG
Don't repeat posts. It wastes our time responding to them.
See your later post.
Respond to this Question
Similar Questions

Statistics
A student is taking a multiplechoice exam with 16 questions. Each question has five alternatives. If the student guesses on 12 of the questions, what is the probability she will guess at least 8 correct? 
Statistics
A student studies for a statistics exam where all questions are true or false. A reputable source indicates that with studying the student has a 90% chance of answering each question correctly. There are only three questions on the … 
Stats
An instructor gives a test with 20 multiple choice questions. There are 4 responses per questions and only one choice correct. The test also has 30 True/False questions. Determine the probability a student randomly guessing on all … 
statistics
If a student takes an exam containing 12 true or false questions. If the student guesses what is the probability that he will get exactly 8 questions right? 
Math
On a truefalse test, each question has exactly one correct answer: true, or false. A student knows the correct answer to 70% of the questions on the test. Each of the remaining answers she guesses at random, independently of all other … 
Statistics
A truefalse test consists of 20 questions, each of which has one correct answer: true, or false. One point is awarded for every correct answer, but one point is taken off for each wrong answer. Suppose a student answers every question … 
Statistics
A student is taking a true/false exam with 15 questions. If he guesses on each question, what is the probability he will get at least 13 question right? 
Math
An exam consists of six trueorfalse questions. Assuming that every question is answered, in how many different ways can a student complete the exam? 
math
The teacher of a mathematics class has written up the final exam, but wants the questions to be random for each student. There are 28 students in the class, and the test has 100 questions. Each question has four possible answers. a. … 
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 choice …