Friday
April 18, 2014

Homework Help: statistics

Posted by erick on Wednesday, September 12, 2012 at 3:30pm.

A student is taking a multiple choice test where each question have 5 possible answers of which only one is right. If the student knows the answer the student answers correctly, otherwise there is a 20% probability of correct answer. Assume the student knows 70% of the questions.
a. What is the probability of the student answering a question correct?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

statistics - 10. A student is taking a multiple choice test where each question ...
Stats - An instructor gives a test with 20 multiple choice questions. There are ...
advanced statistics - suppose a student takes a multiple choice test with 10 ...
Math - a 10 question multiple choice test has 4 possible answer for each ...
Statistics - A student is taking a multiple-choice exam with 16 questions. Each ...
statistics - A student is taking a multiple choice exam. There are five possible...
Math - A student guesses on every ??? of a multiple choice test that has 9 ...
psychology statistics for behavioral sciences - A multiple-choice test has 48 ...
NYS ELA Online Practice Exam - PLEASE read! - Today is my NYS ELA Exam Book 1: ...
English for john browm - Let me give you something on "multiple-choice" items ...

Search
Members